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Applied Psychology for Nurses

Chapter 21: Judgment
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The text introduces basic psychological concepts—consciousness, the unconscious, nervous system anatomy, and the relation of mind and body—and translates them into practical guidance for nurses. It outlines normal mental functions (instinct, memory, emotion, reason, will, judgment), describes variations and their causes, and emphasizes attention, suggestion, habit, and adaptability as forces affecting health. Chapters offer methods for gaining patients' points of view and managing delusions or obsessions, and prescribe self-training for nurses in perception, concentration, memory, emotional equilibrium, and willpower, arguing that psychological care must accompany physical treatment.

CHAPTER IV
RELATION OF MIND AND BODY

We have found that mind is entirely dependent upon the bodily organs for its existence. Is the body in the same way dependent upon the mind? Can the mind die and the body go on?

Given a perfect body with unblocked sense channels, and put the mind to sleep, paralyze the central nervous system with alcohol in sufficient quantity so that the undamaged peripheral nervous system—the senses—can obtain no response or recognition from it, and that perfect body is as useless for the time as if dead. But here comes proof of the remarkable hold of the body on life. The unconscious mind takes up the burden of directing the sympathetic nerves to stimulate the muscles of breathing. The unconscious sees to the beating of the heart. It directs the contraction of the blood-carrying vessels. It maintains certain vital processes of secretion. Thus automatically life goes on; the body still reacts to a limited field of stimuli, and consciousness recognizes it not. But when the unconscious mind ceases to function, then, indeed, does the body die. Yet the conscious mind may “die” and the body live on, so long as the unconscious continues its activity.

It is possible for the human body to live for years, utterly paralyzed, with many of the senses gone, with no consciousness of being—if cared for by other persons—a merely vegetable existence. The current of power is broken; but the spark is still glowing, though utterly useless because connected with nothing. And it may continue to glow for some time while properly stimulated from outside sources.

We might liken the mind to the boiler in which steam is generated, and the body to the engine which the steam runs. If the boiler bursts, the engine stops; but it may not be otherwise damaged. It simply cannot carry out its main function of motion any longer. The fires under the boiler are still burning and can be kept burning so long as fuel is provided, but the connection is broken and the great bulk of iron is a useless thing in that it can no longer fulfil its purpose.

In just such a way may the mind be paralyzed; but the spark of life, which has through all the years kindled the now lost mind to action, may still remain—a useless thing, which would die away if not tended from without by other bodies whose minds are still intact.

But in the demented mind consciousness still remains, the awareness of the young child or baby stage of life. The connection between the upper or conscious brain centers and the body has been tampered with; it no longer is direct, but breaks off into switch-lines. But the contact still holds between the lower or unconscious mind and the body; so the automatic body functions go on, directed as they were in babyhood before the independent mind assumed control. Hence, when all acute consciousness is finally gone, the unconscious mind, a perfect automaton, may still carry out the simplest vegetative activities of existence.

When body is dead, mind, so far as its reactions to the world we know are concerned, ceases to act. But when the conscious mind is “dead” the body may yet live as a vegetable lives, with all its distinctively human functions lost. Motionless, save for the beating of the heart and the reaction of the lungs to air, the body may still be alive, though the mind long since has ceased all earthly activity.

So we discover that an organ of mind is an essential, here, to life of mind, and that mind only can induce this organ to any action above the vegetative stage. But, on the other hand, we find that life can exist without conscious mind, even if untended by others, for a limited time.

If the direct nerve connections between the brain and the hand, the brain and the foot, or the brain and the trunk are cut off, the mind henceforth realizes nothing of that part except as the sense of sight reports upon it; for the optic nerves relate the hand and mind, through this sense, as truly as the motor nerves which carry the mind’s message for motion to the hand, and the sensory nerves which carry back to the mind the hand’s pain. But let the optic nerve be inert, the sensory and motor connections broken between brain and hand, or foot and trunk, or brain and trunk, and the hand or foot may be amputated and the mind never sense the fact; the trunk may be severely injured and the mind be serenely unconscious. So the brain in man is “the one immediate bodily condition of the mental operations.” Take away all the brain and man’s body is a useless mass of protoplasm.

The brain’s varied and intricate nerve connections with all parts of the body, through nerves branching from the main trunks in the spinal cord, we shall not discuss, for you know them through your study of anatomy. For the purpose of our psychology we need consider only two of the main divisions of the brain—the cerebrum, which includes what we call the right and left hemispheres, and the cerebellum.

The Cerebrum or Forebrain

For convenience the various lobes of the cerebrum are known as frontal, temporal, parietal, and occipital, according to the parts of the brain referred to: as forehead, temples, crown, or occiput. The cerebellum, or hind brain, is also divided into two hemispheres, and is situated behind and below the hemispheres of the cerebrum.

A system of localization has been roughly mapped out, the result of careful laboratory work on animals and of studying the loss of various functions in human beings as related to the location of brain injuries.

From these experiments it seems proved that consciousness belongs only to the cortex or surface of the upper brain, and that the vast realm of the unconscious belongs to the lower brain centers. Hence the cortex is the organ of consciousness, and the lower centers are the repository of the unconscious until it again becomes conscious.

The motor zone of the cortex we now know to be situated in the convolutions bordering the fissure of Rolando. Vision is evidently excited from the occipital lobes, though not yet conclusively proved. Smell, presumably, is located in the temporal lobes. Considered action is directed from the upper hemispheres only. It is significant that the hemispheres of the cerebrum are also accepted as the seat of memory for man—that intellectual quality which makes him capable of acting from absent stimuli, stimuli only present to memory; which makes it possible for him to reason the present from the experiences of the past.

But in all animal life, except the higher forms, the control of action is from the lower brain centers, centers which respond only to present objects. With them memory, as man knows it, is lacking; but the reactions of the past are indelibly imprinted upon motor nerves and muscles, so that when the present object presses the button, as it were, calling forth the experience of the race, the animal instinctively reacts.

But of what use to man, then, are the lower brain centers?

In man, as in lower animals, they care for the vegetative functions of life, so that our blood continues to circulate, the air enters and leaves our lungs, digestion is carried on, with no assistance from the upper centers, the hemispheres of the cerebrum being thus left free for concentration on the external world of matter, which it can transform into a world of thought.

It is the lower or vegetative brain that may still exist and keep life intact when the functions of the cerebrum are destroyed. We can say, then, of the brain as a whole that it is the organ of the mind, the sine qua non of the mind, the apparatus for the registration of sense impressions. The senses themselves are the rudiments of mind, are the means by which stimuli alighting on sense organs enter consciousness; for the nerves of special sense immediately carry the impetus to the brain, where it is recognized as the “not me,” the something definitely affecting the me, and demanding reaction from the me.

The functions of the cerebrum we find grouping themselves in three classes: intellect, emotion, and volition, more simply, thinking, feeling, and willing; and we find no mental activity of the normal or abnormal mind which will not fall into one of these groupings. This does not mean that one part of the brain thinks, another part wills, another part feels; for in the performance of any one of these functions the mind acts as a whole. Our thinking or our willing may be permeated with feeling, but the entire mind is simply reacting simultaneously upon various stimuli.


CHAPTER V
THE NORMAL MIND

Mind, we found, is born in the form of consciousness when the outside world impresses itself upon the brain-cells by way of the senses. This consciousness, observation and experiment prove, is first a feeling one, later a feeling-thinking-willing one. The mind, then, is really the activity of the brain as it feels, as it thinks, as it wills. We express this in descriptive terms when we speak of mind as the flow of consciousness, the sum of all mental associations, conscious and unconscious. For mind is never a final thing. Looking within at our own mental processes we find that always our thought is just becoming something else. We reach a conclusion, but it is not a resting place, only a starting place for another. My thought was that a moment ago, but while it was that it was becoming this, and even now it is becoming something else.

Thinking is mind. Feeling is mind. Willing is mind. But for the sake of clearness we speak of feeling, thinking, and willing as being functions of mind. Mind acts by using these powers. But to what end does it act? What purpose does it serve? For these functions are not the reasons of being for the mind, even as motion—while the immediate purpose of the locomotive—is not its chief end. The steam engine may stand in the same spot while its wheels revolve madly; it may move along the tracks alone, and accomplish nothing; or it may transport a great train of loaded cars. Unless it moves to some definite point and carries merchandise or people there, it is a useless, indeed, a dangerous invention. We find, in fact, that it functions to the very definite end of taking man and his chattels to specified places.

And so it is with the mind. If it is thinking and feeling and willing only for the sake of exercising these mental powers, it might better not be. But what end do we actually find these functions serving?

Mind, with its powers of thinking, feeling, and willing, gives an external world of matter; an internal world of thought, and so relates them to each other as to make them serve man’s purposes. Thus these functions exist for accomplishment.

In the solving of a problem, for instance, the mind thinks, primarily; in the enjoyment of music it feels, primarily, though its feeling may be determined by the intellectual verdict on the music; in forcing its owner to sit at the piano and practice in the face of strong desire to attend the theater, it wills, primarily. Now one of its functions predominates; now another. But the whole mind, not a feeling section, or a thinking section, or a willing section, operates together to produce action. When I play the piano it calls on all my mind. I think the music. I feel it. I make my fingers play it. But the thinking, the feeling, and the willing act together to result in the fingers playing.

The mind, then, is an instrument of achievement. It fulfils its purpose when it makes matter serve useful ends.

Emotion or feeling is the function of the mind which associates a sense of pleasure or pain with every thought or act.

Feeling is the affective state of mind. By this we mean that it has the power to move us. And this emotion primarily does; for our feeling of pleasure or pain moves us to action, as well as precedes and accompanies and follows action. The word emotion is usually employed to denote an acute feeling state, while the word mood denotes a prolonged feeling condition, i. e., a less acute emotional state. The word feeling, however, is used to cover both; for in each case the sensational element manifests itself in a definite physical affect, pleasurable or painful in some degree.

Thinking is a conscious mental activity exercised to evolve ideas from perceptions, and to combine and compare these ideas to form judgments.

Intellection, or thinking, might be explained as the mental process which converts sensation into percepts, groups percepts to form concepts or ideas, stores away ideas and sensations for future use, and recalls them when needed—the recalling being memory—and by reason combines, compares, and associates ideas to form judgments, then compares judgments to form new judgments. The process of intellect we name by terms denoting activity, such as intellection, thinking, the stream of thought, and the latter describes it most truly.

Volition or will is the function of the mind which compels the expression of thought or feeling in action.

For clarity we might indicate the mind and its functions in the following diagram:

Mind
  • Emotion
    • Pleasure
    • Pain
  • Intellect, or the Stream of Thought
    • Sensation (impression on mind from sense organs)
      • Eye
      • Ear
      • Nose
      • Mouth
      • Skin
      • Muscles
      • Viscera
      • General Sensation
    • Perception (recognition of cause of sensation)
      • of object
      • of quality
    • Memory
      • Self
      • Organic
      • Inorganic
      • Percept
      • Concept
    • Ideation
      • Abstract
      • Concrete
      • Imaginative
        • Fanciful
        • Constructive
    • Reason
    • Judgement
  • Will

The following terms are ones constantly used in psychology, and are briefly defined that there may be no haziness in their application.

Sensation is the uninterpreted response of the mind to stimuli brought by sense organs.

Examples: Feeling of { hot.
cold.
pain.

Sensation may arouse instinct and cause reflex action, or start a feeling state, or a train of thought.

Perception is the conscious recognition of the cause of a given sensation.

Example: { fluid—water.
cold—snow.
pain—cut.

Percept is a word often used to denote the mind’s immediate image of the thing perceived.

Percepts are of two kinds: object and quality.

Example: { object, as water.
quality, as fluid.

Memory is the mind’s faculty of retaining, recognizing, and reproducing sensations, percepts, and concepts.

Organic memory is the mind’s reproduction of past bodily sensations.

Example: I recall the physical sensations of a chill, and live it over in my mind, so that I can accurately describe how a chill feels to me, though I can but surmise how one feels to you.

Inorganic memory is the mind’s reproduction of its own reactions in the past.

Example: Myself having a chill, how I acted; what I thought and my emotions during that chill.

Ideation is the mind’s grouping of percepts by the aid of memory, to form concepts.

Example: I perceive color, form, mouth, eyes, nose, chin, etc. These percepts I combine as a result of past experience (memory) to form my concept, face; and the process of combining is ideation.

Concepts are mental representations of things or qualities, i. e., of object or quality percepts.

We might say that the percept is the mind’s immediate image of a thing or quality, and the concept is the result of the storing up and grouping and recombining of percepts. Thus a lasting mental picture is secured; and my idea of horse, for instance, is so clear and definite a thing in my mind that if I should never again see a particular horse, I should yet always be able to think accurately of a horse.

Concepts are of two kinds—concrete and abstract.

A concrete concept, or concrete idea (for concept and idea are interchangeably used), is an idea of a particular object or quality.

Examples: This wine-sap apple (object concept).
This sweet orange (quality concept).

An abstract concept, or abstract idea, is a mental reproduction of a quality or an object dissociated from any particular setting or particular experience.

Abstract ideas are of two kinds. We speak of them as abstract object concepts and as abstract quality concepts. An abstract object concept we might call a generalized idea, an idea comprehending all objects having certain things in common.

Example: My idea of animal includes many scores of very different individual animals, but they all have bodies and heads and extremities. They all have some kind of digestive apparatus; they breathe, and can move.

An abstract quality concept is easier to think than to explain. It is as though the mind in considering a multitude of different objects found a certain quality common to many of them, and it “abstracted,” i. e., drew this particular quality, and only this, from them all, and then imagined it as a something in itself which it calls redness, or whiteness, or goodness. Thereafter, whenever it finds something like it anywhere else again it says, “That is like my redness.” So I call it “red.” In other words, consciousness thereafter can determine in a newly discovered object something it knows well merely because that something corresponds to a representation which experience and memory have already formed.

These comprehensive concepts, or universals, as some psychologists term them, the mind, having pieced together from experience and memory, holds as independent realities, not primarily belonging to this or that, but lending themselves to this or that. For example: My mind says “white,” and sees white in some object. But I see the white only because my mind has a quality concept, whiteness. This outside object corresponds to my concept. I recognize the likeness and call it “white.”

I speak of goodness, or purity, of benevolence; or of fulness, emptiness, scantiness. There is no object or quality in the outside world I can say is goodness, or fulness. But I do see things in the external world through my ideas of goodness or fulness that correspond to these ideas. They have some of the qualities the ideas embrace; and so I point them out and say, “This represents purity; that, impurity”; or, “This is full, that is empty.” One satisfies my concept of purity, while the other does not. One fulfils my concept of fulness; the other does not. And because we can never point out any one quality in the outside world and say “This is purity, and all of purity; this is goodness; or this good plus this good plus this makes all of goodness”; because of this impossibility we speak of these concepts as having reality somewhere. They are absolutes, universals, abstract quality concepts—the unfound all of which the things we call pure and good are but the part.

Apperception is the process of comparing the new with all that is in the mind, and of classifying it by its likeness to something already there.

With an abstract idea of an object in mind we very deftly, through the use of memory and constructive imagination, deduce the whole from the part recognized as familiar.

Example: In walking through the field, along the bank of the brook, I glimpse under the low-hanging branches of the weeping willow a restlessly moving hoof. I see a certain kind of hoof and only that. Or I hear a lowing sound. And I say “cow.” I have not seen a cow, but only a part which tells me a cow is there; for all the cows I ever saw had hoofs of that general description, and so it fits into my concept cow, and into no others. Or I have heard cows, only, give that lowing sound before. From my perception, then, of hoof or sound I apperceive cow. Memory relates that hoof or that lowing sound to a certain kind of animal known in the past; and constructive imagination draws in all the rest of the picture that belongs with it.

Again, we may apperceive an object or quality from our recognition of something which in our experience has been associated, under those particular circumstances, with only that object or quality. I see smoke on the ocean’s far horizon, and I decide instantly, “a steamer.” I have not perceived any steamer, but only something that “goes with it,” as it were. I see the ship with my mind, not with my eyes; for I know that a cloud of smoke out there always has, in my past experience, represented just that. I compare the newly appearing stimulus—smoke in that particular location—with all that is associated with it in my mind, and classify it with the known. I apperceive “steamer.”

In apperception, then, we construct from the known actually perceived by the senses, the unknown. How does the child realize that the moving speck on the distant hillside is his father? There is nothing to indicate it except that it is black and moves in this direction. But experience tells Johnny that father comes home that way just about this time. Moreover, it says that father looks so when at that distance. When Johnny is as sure it is his father as if he could see his face close beside him he has apperceived him. The speck on the hill is the newly arriving stimulus. Johnny compares it with what corresponds to it in his mind’s experience and proclaims, as a fact, that he sees his father.

Reason is the mind’s comparison and grouping of concepts to form judgments, and its association of judgments to form new judgments.

Example: My concept man includes the eventual certainty of his death. My concept mortal means “subject to death.” Therefore my judgment is, “Man is mortal.” Reason has compared the concepts and found that the second includes the first.

Judgment is the mind’s decision arrived at through comparing concepts or other judgments.

Example: Man is mortal is my decision after comparing the concepts man and mortal and finding that the latter really includes the former. Judgment at the same time says that “Mortals are men,” is not a true conclusion. For in this case the first concept is not all included in the second. Mortals are all life that is subject to death.

We may assume personal consciousness even as we recognize an individual body. Psychology does not deal with any awareness separated from a person. It knows no central mind of which you partake or I partake, and which is the same for us both. A universal consciousness would simply mean one which is the sum of yours and mine and everybody’s who lives today, or who has ever lived. So by personal consciousness the psychologist means his consciousness, or yours, or mine. But they can never be the same; for mine is determined by my entire past and by how things and facts and qualities affect me; and yours, by your past, and by things and facts and qualities, and by how they affect you.

Personal consciousness is the mind’s recognition of self; and as the self changes with every added experience, so personal consciousness is modified.

Stream of thought is a term James has brought into common usage to illustrate the fact, already stressed, that thinking, as we know it, is never static, is never one thing, one percept, one concept, one judgment; but is a lot of these all together, just beginning to be or just beginning to change into something else. We never know a concept, for instance, except as it is a part of our entire consciousness, related to all the rest; just as we do not know the drop of water in the brook as it flows with the stream. We can take up one on our finger-tips, however, and separate it from all the rest. But analyzed in the laboratory, this drop will contain all the elements that a pint or gallon or a barrel of the same water contains. The drop is what it is because the stream has a certain composition. We only have a brook as drops of rain combine to make it, but we also have only the drops as we separate them from the steam.

Imagination is the combining by the mind, in a new way, things already known.

This may be either into fantastic groupings divorced from reality, or into new, possible, rational groupings not yet experienced. So imagination is of two kinds, the fantastic and the constructive. Fantastic imagination, or fantasy, gives us gnomes, fairies, giants, and flying horses, and all the delights of fairy tales. Constructive imagination is the basis for invention, for literature, and the arts and sciences.

The word thinking, defined early in this chapter, is broadly used to denote the sum of all the intellectual faculties. Thinking is really the stream of thought.


CHAPTER VI
THE NORMAL MIND (Continued)

Instinct

We have found that the mind’s chief end is action, of itself, or of its body. But what are its incentives to action?

We see the very young baby giving evidences of an emotional life, living in an affective, or feeling environment, leading a pleasure-pain existence, from the first. He acts as desire indicates. But from the very moment of his birth he performs actions with which he cannot as yet have a sense-memory connection, because he is doing them for the first time. How can he know how to respond to stimuli from the very beginning?

No other possible explanation offers itself than that he is born with certain tendencies to definite action. These we call instincts—man’s provision to keep him going, as it were, till reason develops. Instincts are handed down from all the past. Definite tendencies, they are, to certain specific reflex actions in response to certain sensations. These responses, from the very beginning of animal life, have been toward avoiding pain, and toward receiving pleasure. It is as though the stimulus presses the trigger—instinct—and the muscle responds instantly with reflex action. This mechanism is the means of protection and advancement, and takes largely the place of intelligence in all animal life. It is what makes the baby suck and cry, clutch and pull, until a sense memory is established. So instinct is really race memory. We call instinctive those immediate, unthought reactions which are the same with all mankind.

The pugnacious instinct—the desire to fight—is the natural reaction of every human being of sane mind to attack. The inner necessity of avenging is so strong in the child or man of untrained mind or soul that he acts before he thinks. He strikes back, or shoots, or plots against his enemies. Only rare development of spirit or the cautious warning of reason which foresees ill consequences, or a will trained to force control, can later make the instinct inactive.

Where instinct ends and sense memory, imitation, and desire step in is difficult to determine. Later in life probably most of what we consider instinctive action is simply so-called reflex action, depending on sense memory, action learned so young that it is difficult to distinguish it from the true reflex action, which is due only to race memory.

James, in his Talk to Teachers, gives us a partial list of the instincts. Thus:

FearOwnershipShyness
LoveConstructivenessSecretiveness
CuriosityLove of approbationThe ambitious impulses:
  • Imitation,
  • Emulation,
  • Pride,
  • Ambition,
  • Pugnacity

To this partial list we would add self-preservation, reproduction, etc.

But instincts conflict with each other, and man carries about with him in babyhood many of them which may have been very useful to his prehistoric ancestors, but which only complicate things for him. Fear and curiosity urge opposite lines of conduct. Love of approbation and shyness are opposed. Love and pugnacity are apt to be at odds. So, gradually, as intelligence increases, the child refuses to allow such impulses to lead him to action. When fear-instinct and love-instinct are at war, reason is provided to come to the rescue.

Instincts are racial tendencies of sensational or emotional states to determine action.

Instincts are the germs of habit, and when instinct would give rise to a reaction no longer useful, reason, abetted by new habit formation, in the normal mind, weakens instinct’s force; and the habit is discarded and the instinct gradually declines.

In prehistoric times when food was scarce, and man had not learned the art of tilling the soil, hunger forced him to fight for what he got to eat. As there was often not enough to go around, he maimed or killed his fellow-man that he might have all he wanted, obeying the instinct to survive. So, now, the baby instinctively clutches for all that appeals to him. But an abundance of food for all, or the intelligent realization that co-operation brings more to the individual than does fighting, and a developed sense of responsibility toward others; or merely the fear of the scorn of fellow beings, or the desire to be protected by the love of his kind; perhaps a genuine love of people, acquired by spiritual development, puts the primitive habit of food-grabbing into the discard. Finally, the very instinct of self-preservation may be transformed into desire to serve others. No better illustration of this can ever be offered than the sacrifices of the World War.

Memory

No mind retains consciously everything that has ever impressed it. It is necessary that it put aside what ceases to be of importance or value and make way for new impressions. We found early in our study that the subconscious never forgets, but harbors the apparently forgotten throughout the years, allowing it to modify our thinking, our reactions. But the conscious mind cannot be cluttered with the things of little importance when the more essential is clamoring. So there is a forgetting that is very normal. We forget numberless incidents of our childhood and youth; we may forget the details of much that we have learned to do automatically; but the subconscious mind is attending to them for us.

Do you know how to skate? and if so, do you remember just how you did it the first time? Probably all you recall is that you fell again and again because your feet would slip away from where you meant them to be. When you glide over the ice now it is as natural as walking, and as easy. You cannot remember in detail at all how you first “struck out,” nor the position of your feet and arms and legs, which you felt forced to assume. At the time there was very real difficulty with every stroke—each one was an accomplishment to be attempted circumspectly, in a certain definite way. All you remember now is, vaguely, a tumble or two, soreness, and lots of fun.

We forget details we have intrusted to others as not a part of our responsibility. We forget the things which in no way concern us, in which we have no interest and about which we have no curiosity. And it is well that we do so. If it were not for the ability to forget, our minds would be like a room in which we have lived a lifetime, where we have left everything that has been brought into it since our birth. It would be piled ceiling high, with no room for us, and with difficulty only could we find what we want. As we grow from babyhood to childhood, from childhood to youth, from youth to maturity the room changes with us. We put off childish things. They are stored away somewhere, in an attic or basement, or destroyed. And day after day something new is added, displacing something else. In the case of the mind all these things are stored and cataloged in the subconscious, and forgotten, until some need causes us to look into our catalog-index and see the experience again, or some association calls it back, relating it to something new. So our discussion of the subconscious involved also a discussion of memory.

But what of the things we must use frequently and cannot find in our minds? What of absent-mindedness and faulty memory? In such cases our minds might be compared to a cluttered room full of things we need and want to use every day, but in confusion. We know where many of them are, the ones we care most about; but we have to rummage wildly to find the rest. We have no proper system of arrangement of our belongings. You laid down that book somewhere, absent-mindedly, and now you cannot tell where. You were thinking of something else at the time, and inattention proves a most common cause of poor memory. Perhaps you simply have more books than the room can hold in an orderly way, and so you crowded that one in some corner, and now have no recollection of where you put it.

Poor memory is the result of lack of attention, or divided attention at the time the particular attention-stimulus knocked. You asked me to buy a ribbon of a certain shade and a certain width when I went to town. I was thinking of my dentist appointment. However, I heard your request, answered it graciously, took the money you offered, still wondering if the dentist would have to draw that tooth. And the chances are that I forgot your ribbon. I was giving you only a passive and divided attention.

Or I have more to do than I can possibly accomplish in the next six hours. You ask me to buy the ribbon. I attend accurately for the moment, think distractedly, “How can I do it all?—but I will”—and crowd the intention into an already overburdened corner of my mind, fail to associate it with the other thoughts already there, and return six hours later without the ribbon. My sense of hurry, of stress, of the more important thing to be done, or a reaction of impatience at the request, forced back the ribbon thought and allowed it to be hidden by others. I was really giving you only partial attention, or an emotion interfered with attention; and I forgot.

Hence we find that a faulty memory may exist in an otherwise normal mind when poor attention, or divided attention due to emotional stress or to an overcrowded mind, which makes it impossible to properly assort its material, interferes.

Again, we forget many things because they are unpleasant to remember. We have no desire, no emotional stimulus to make us remember; or because some of the associations with the forgotten incident are undesirable. We forget many things because if we remembered them we would feel called upon to do some unpleasant duty. You forgot your tennis engagement with B, perhaps, because you were so engrossed in a pleasure at hand, or in your work, that anything which interrupted was, under the circumstances, undesirable. You may have wanted very much to play with him, but some more pressing desire—to care well for your patient, or to continue the present amusement—was stronger. Or you forgot because you did not want to play with him and had no excuse to offer at the time. You wished to forget. Perhaps he does not play a good game, or you do not like him, or at least you like some one else much more, and he happened along; so you forgot B. The unconscious mind saw to it that something else was kept so prominently before your attention that it could not return to the less desired.

Thus a forgetting may be purely the result of an emotional interference which makes it, all in all, more pleasant to forget than to remember. If we would help ourselves or our patients whose memories are faulty, and who make them worse by their continual fretting over their disability, we must train ourselves to be willing to forget all that does not in the least concern our interests or those of the people about us, and does not add anything desirable to our knowledge. Thus we may avoid overcrowding the mind. But when we would remember let us give our whole active attention at the moment of presentation of the new stimulus, and immediately tie it up with something in past experience; let us recognize what it is that we should remember, and call the reinforcement of will, which demands that we remember whether we want to or not. Sincere desire to remember will inspire early and frequent recalling, with various associations, or hooks, until the impression becomes permanent. The average patient’s poor memory is made worse by his agitation and attention to it, and his conviction that he cannot remember. The fear of forgetting often wastes mental energy which might otherwise provide keenness of memory. If the nurse ties up some pleasant association with the things she wants the sick man to remember, and disregards his painful effort to recall other things, then—unless the mind is disordered—he will often find normal memory reasserting itself.

We shall consider this question of memory in more detail in a later chapter of practical suggestions for the nurse.

The Place of Emotion

Feeling Cannot Be Separated from Thinking.—Emotion we found the constant accompaniment of every other mental activity. It is first on the stage of consciousness and, in the normal mind, last to withdraw.

When I am working at a problem in doses or solutions, trying to learn my materia medica, or wrestling with the causes of disease in my medical nursing, or thinking how I can eke out my last ten dollars till I get some more, I am pursued with some vague or well-defined feeling of annoyance or satisfaction, of displeasure or pleasure. If all goes well, the latter; if not, the former.

Feeling Cannot Be Separated from Will.—I cannot will without a feeling accompaniment, pleasant or unpleasant. I may be using my will only in carrying out what intellect advises. But we found that intellect’s operations are always affective, i. e., have some feeling of pleasure or pain. And the very act of will itself is a pleasant one and much easier if it is making me do what I want to do; it is a vaguely or actively unpleasant one if it is making me act against desire. In the end, however, if I act against desire in pursuance of reason or a sense of duty, the feeling of pleasure in the victory of my better self is asserted. And feeling cannot be separated from will.

Feeling Cannot Be Separated from Action.—I cannot do anything without a feeling of comfort or discomfort, happiness or unhappiness. Try it for yourself when you are feeding a patient, making a bed, giving a bath or massage, preparing a hypodermic. Other things being normal, if you are performing the task perfectly, the feeling of satisfaction, of pleasure, of the very ability to work effectively, with speed and accuracy and nicety, comes with the doing. If you are bungling, there is a pervading sense of dissatisfaction, of unpleasantness. In the automatic or semi-automatic action a great economy of nature has conservatively put feeling at the absolute minimum; but it has not eradicated it. As you walk across the ward, though your predominating thought and feeling may be elsewhere, there is a sense of pleasure or displeasure in the very movement. If your body is fresh and you are of an energetic type and in happy frame of mind, a pervasive feeling of satisfaction is experienced. If tired or discouraged or sore from unaccustomed exercise, every step registers protest.

Thus we find by experiment that there is no thought we have, no single conscious movement or action, nor any expression of the will, but is accompanied with what the psychologist broadly terms pleasure or pain. So emotion, the first expression of mentality, is never absent from any mental or physical act. It permeates all we do, as well as all we think and will, with the partial exception of automatic action, above indicated.

The Beginning of Reason

We found feeling by far the strongest factor in producing action in babyhood and childhood. Our instinctive doing, we learned, is the result of a race impulse. Will acts chiefly at emotion’s bidding. But very early the baby’s experience operates as a partial check to feeling’s exclusive sway. It keeps him from touching the fire, no matter how its brightness attracts. It may be merely the sense memory of hurt when fingers and that bright thing came together; and one such impression will probably prevent him from ever again touching it. Or it may be the brain-cell’s retention of the painful feeling of slapped hands when the fingers reaching out to the flame had not yet quite touched. These punishment experiences are only effective in many children after more or less repetition has set up an automatic prohibition from brain to motor nerves; but right here intellect begins to assert itself in the form of sense memory. The baby does not reason about the matter. His nerve-cells simply remember pain, and that particular brightness and glow, and finger touch—or that reaching out to the glow—and slapped hands, as occurring together. In the same way he early connects pleasure with the taste of certain forbidden things. He does not know they are sweet. He only knows “I want.” Even here his desire to taste may be checked in action by a vivid memory of what happened when he tasted that other time, and was spanked or put in his little room all alone with only milk and bread to eat for a long time.

Later on the child may think, from cause to effect, thus: “Sweet, good, want, taste, spank, hurt (or no dinner, all by self, lonely), spank hurt more than sweets good. Not taste.” But long before he can work this out, consciously, two distinct memories, one of pleasure and one of pain, are aroused by the sight of the sweet. And what he will do with it depends upon which memory is stronger. In other words, his action is governed altogether by his feeling, though memory, which is an intellectual factor, supplies the material for feeling.

Development of Reason and Will

Later still, when the child is older, we may have somewhat the following mechanism: “Sweets, good, want, taste; spank, hurt; don’t care, spank not hurt much, maybe never found put, sweets very good.”

Now the child is reasoning and choosing between two courses of action, don’t and do. His decision will depend upon whether immediate satisfaction of desire is stronger than the deferred satisfaction of being good, and the fear of punishment. He probably prefers to take a chance, and even if the worst comes, weighs it with the other worst, not having the sweet—and takes the “bird in the hand.” He has reasoned, and has chosen between two emotions the one which his judgment says is the more desirable; and his will carries out the decision of his reasoning. His chief end in life is still to get the most immediate pleasure. Still later in child-life, much later, perhaps, his decision about the jam is based on neither love of it nor fear of punishment, but—despite his still sweet tooth—on a reasoned conclusion that if he eats jam now he may be sick, or he may spoil his appetite for dinner; or on a consideration that sweets between meals are not best on dietetic principles; and will very readily backs up the result of his reasoning. Though his determination is largely based upon feeling, reason has chosen between feelings, between immediate desire to have, and desire to avoid future discomfort. Reason is triumphant over present desire.

Judgment

The conclusion or decision that reason has reached we call a judgment. The youth who decides against the sweet between meals, we say, has good judgment. And we base our commendation on the proved fact that sweets are real fuel, giving abundantly of heat and energy, and are not to be eaten as mere pastime when the body is already fully supplied with high calorie food not yet burned up; that if sweets are eaten at irregular intervals and at the call of appetite, and not earned by an adequate output of physical work, the digestive apparatus may become clogged, and an overacid condition of the entire intestinal tract threaten. We call judgment good, then, when it is the result of reasoning with correct or logical premises which correspond with the facts of life. We call it bad when it is the conclusion of incorrect or partial or illogic premises.

A premise “is a proposition laid down, proved, supposed, or assumed, that serves as a ground for argument or for a conclusion; a judgment leading to another judgment as a conclusion” (Standard Dictionary).

Let us illustrate good and bad judgment by following out two lines of reasoning, each quite accurate as such.

I want sweets. Sweets are good for people. They give heat and energy, and I need that, for I am chilly and tired. People say “Don’t eat sweets between meals.” But why? They contain just what I need and the sooner I get them the better.

So I have sweets when I want them. The judgment to take the sweets as desire indicates is entirely logical if we accept all the premises as correct. And they are, so far as they go; but they are partial; and so cannot altogether correspond with the facts of life. Sweets are good for people who expend much physical energy. They prove injurious in more than limited amounts to the bed-ridden, the inactive, or the sluggish. Hence this premise is partial and so far incorrect. Sweets do give heat and energy, true. I am chilly and tired, also true. But why? Because I am already toxic from the sweets and meats I have had throughout my sedentary years. The question is, Do I need any more energy-producing food when I am not burning up what I have? So again the premise is partial. I do need heat and energy, but I already have the material for it, and my mode of life has disorganized my system’s capacity to utilize these foods normally. So now sweets have become a detriment to my well-being. The judgment which determines me to the habit of eating sweets between meals is the result of logic, but of logic spent on tying up premises which do not fit the facts of the case.

One of the most prevalent defects of judgment is illustrated in this common disability to select premises which fit the facts. Ignorance, emotional reasoning, and a defective critical sense probably explain most poor judgments.

The other judgment illustrates the logic of correct, provable premises.

“No, I shall wait until dinner-time. I have no need of so rich a food, for I had an adequate meal at the usual time and have not worked hard enough to justify adding this burden to my digestive apparatus; besides only hard workers with their muscles can afford to eat many sweets. They cause an overacid condition when taken in excess; and any except at mealtimes would be excess for me, with my moderate physical exercise.”

This judgment we call good. Its premises correspond to scientific facts.

But much reasoning must always be done with probable premises, ones which seem to correspond to the facts, but which have yet to be proved. And our judgment from such suppositions cannot be final until we see if it works.

Some few centuries ago supposedly wise men called Christopher Columbus a fool. Of course the world was flat. If it were round man would fall off. It was all spread out and the oceans were its limits. If it should be round, like a ball, as that mad man claimed, then the waters must reach from Europe ’round the sphere and touch Asia; or there might be land out there beyond the ocean’s curve. But it wasn’t round, and the idea of finding a new way to Asia by sailing in the opposite direction was a fool’s delusion.

Their logic was perfect. If the earth was flat, and Asia lay east of Europe, it was madness to sail west to reach it. But they argued from a wrong premise, so their judgment was imperfect—for they did not yet know the facts.

The result of all reasoning is judgment. And judgment is good as the materials of the reasoning process correspond to facts, or are in line with the most probable of the yet unknown. It is poor as the reasoning material fails to meet the facts, or is out of harmony with the most probable of the yet unproved.

It is of no avail, then, to attempt to improve our final judgments as such. We must examine the materials we reason with, then learn to group and compare them logically. And in the very separating of true premises from false, we use and train the judgment we would improve. And this the normal mind can do.

Reaction Proportioned to Stimuli

In the normal mind the emotional or feeling accompaniment of thought and action is proportionate and adequate to the circumstances, i. e., there is a certain feeling, of a certain strength, natural to every thought and act; and when only that strength, not more or less, accompanies the thought or the act, we say, “That man is emotionally stable. His mind is normally balanced.”

Joy naturally follows some stimuli; sorrow others. Disappointment or loss, shock, failure, death of loved ones, illness in ourselves or others, do not normally bring joy. A keen sense of suffering, temporarily, perhaps, of numbness; the inability to grasp the calamity; or flowing tears, an aching heart, or the stress of willed endurance, are natural, and normal reactions to such stimuli.

A developed will may refuse indulgence in the outward expression of the normal feeling of shock, grief, and loss; and this may be normal. But normal volition does not force us to laugh and dance and be wildly merry in the face of grief and loss and pain. It only suggests the adequate, reasonable acceptance of the facts that cannot be changed—the acceptance of love, faith, and hope that sees in present suffering a means of consecration to service; it does not convert the emotion of sorrow and loss into a pleasurable one. Normal reason does not suggest that will force the reactions to loss and suffering that belong by nature to attainment and success.

Nor does reason suggest the long face, the bitter tears, a storm of anger, in response to comedy and farce, in the face of a good joke, or to meet success; and normal will puts reason’s counsel into effect.

Normal Emotional Reactions

Some emotions, that seem exaggerated at first thought, may be normal under the circumstances. For no one can know the whole background for emotional response in the life of another. After being long shut up in a darkened room, with bandaged eyes and aching head and sick body, the first visit to the bit of woods back of the house—when all the pains have gone—may bring almost delirious joy. The green of the foliage, the blue of the sky, the arousing tang of the air, the birds, the sense of freedom—all go to the head like new wine. The abandon of joy is a normal response under the circumstances, now. It would hardly be normal to one whose habit it is to visit this same bit of woods every day, to one who loved it, but for whom it had lost the force of newness.

To the child, who has never in all his little life had a wish not gratified, the denial of a desired stick of candy is as great a calamity as is the loss of a fortune to the grown man. And the child reacts to feeling equally intense. These are normal reactions to stimuli—normal, under the circumstances.

The Normal Mind

The normal mind reasons clearly with the best data at hand to results that will stand the test of conformity to reality; the normal mind uses reason and feeling, guided by reasonable attitude; in the normal mind reason advises action and will brings it about; in the normal mind feeling proportionate to the circumstances accompanies every thought and every action. And in the well-balanced man or woman every function of the mind leads to action as its final end.

But man only approximates the normal. The perfectly balanced man or woman is so rare as to be a marked person. The average intelligent individual only in general approximates this standard. He goes beyond it in spurts of untrammeled genius, to wrench lightning from the heavens, and to send his trains through the air; or he allows his feelings to dictate to his reason, and much of the time so exaggerates or depreciates the simple facts of life that the results of his reasoning no longer conform sufficiently to reality as to be thoroughly dependable.


CHAPTER VII
PSYCHOLOGY AND HEALTH

In the use of its functions the mind manifests certain powers and certain modes of expression which can act as powerful allies or as damaging enemies of health. We speak of man as adaptable, but also as a being of habits. We speak of him as “feeling” when we wish to express the fact that his emotions influence his body. We expect of the average man a certain amount of suggestibility. We say that he is tremendously affected by his environment, which simply means that his attention, naturally centered chiefly on the things at hand, largely determines what he is. But we recognize that a man of trained mind can choose and will to substitute for his present surroundings thoughts upon more constructive things from past experience, or from future possibilities, or from within the mind’s own storehouse. His ability to largely modify his life by his will, we recognize as man’s greatest power. Adaptability, emotional response, suggestibility, attention, thought-substitution, habit-formation, and will can minister vitally to health, or can prove damaging avenues of disease.

Necessity of Adaptability

Adaptability is as essential to life of mind as to life of body; and health of mind as well as health of body is determined by the individual ability to adjust himself to environment.

There are dreamers who have lived in their ideal world so long that they cannot meet the stern realities of life when they come. The shock is too great for the mind that has accepted only the fantastic, the real as the dreamer would have it; and he lets go altogether his hold on the actual, accepting the would-be world as present fact. And we call him insane. Other visionaries wakened rudely to life as it is, accept it as unchangeable fate, lose all their true ideals and become cynical, or victims of utter depression for whom life holds nothing that matters. Still others go on through the years self-satisfied and serene because they simply refuse to believe unpleasant truths; they “pretend” that their wishes are realities, and acknowledge as facts only the pleasant things of existence. The first two groups have failed to adapt self to life as it is, and the mind is lost or so damaged as to no longer serve its body properly. The “pretenders” have adjusted themselves, and so long as they can remain happily self-deceived all goes well for them, though they complicate living for others. However, they have made an adaptation, a defective one, it is true, but one through which the mind may survive. Some of this class, however, finally build up a more and more elaborate system of self-deception until they, too, are insane.

The practically adaptable man can dream dreams, but always recognizes them as dreams, and can stop at will; can vision a beautiful ideal, but comprehends that it is not yet reality, though it may some time become so if he learns and fulfils the laws leading to its realization. The adaptable man or woman recognizes the real as fact, desirable or otherwise, the fantastic as unreal and only to be indulged in as a pastime, and the ideal as the possible, a thing for which to work and sacrifice. So perfect adaptability would mean perfect mental poise.

It is for the nurse to realize that the greater number of her patients do not belong to any of these classes absolutely, but that some of them have tendencies leading in these various directions. And it is her privilege to recognize the trend of her sick patient’s mental workings, and to so deftly and unobtrusively encourage the recognition of facts as things which are to be used—not as stumbling-blocks—that her mental nursing, as her physical, shall be directed toward health. She can help her patient to accept illness and suffering as realities to be faced, and treatment as a means, whether pleasant or not, of making it possible for health to replace them. The understanding nurse can actively help her charge one step at a time toward adaptation to the new environment, remembering that many of the sick, particularly the depressed, cannot be encouraged or incited to effort by having future health held out to them. They are capable only of living in the present and doubting all the future.

There Can Be No Neurosis Without a Psychosis.—If the brain is the organ of the mind, then what affects the brain must perforce be at least registered by mind. So every physical shock, accident, toxic condition, infection—even the ordinary cold—rouses the mind at least to awareness, usually to discomfort. For the nerve-cells and fibers—those inseparable parts of the body mechanism—speedily report the fact that they are being tampered with. In the toxicity of the infections these very delicate tissues are nourished by toxic fluids; in accidents they carry all the messages from the injured part. Then the brain—that center of all man’s reactions and the organ of all his consciousness—receives the report of the disturbance and translates it into terms of more or less disability. The neurosis has become a psychosis. The physical condition has become a mental discomfort. Normally this ensuing mind state should be in accordance with the extent of the injury to the nerve-cells and fibers. But under long-continued discipline, or influenced by emotion, the conscious mind may not recognize the neurosis; whereas, in the hypersuggestible, consciousness will translate it into entirely disproportionate suffering.

A great problem of nervous education is what the mind will do with discomfort or pain. Will it put all its attention there and respond with nervousness, irritability, demand for sympathy; or will it relegate all the minor pains to their own little places, accepted as facts but to be disregarded except in so far as actual treatment is needed? Will it turn to attend to the host of other more desirable objects? Or in case of acute suffering, will it take it as a challenge to endurance? Will it use it as a means to strengthen volition, as a stepping-stone to self-mastery?

Realizing the force of the law—no neurosis without a psychosis—the nurse will try to eliminate unnecessary irritations to physical comfort, while she helps the patient to adjust himself to the ones which are inevitable. It is the doctor’s problem rather than hers, except as she carefully fulfils orders, to eliminate the toxic causes of psychosis. It is hers to help the patient to meet adequately the effects of the infections or toxins, and to prevent as far as possible the surrender to uncontrolled nervousness. Her object is to have him face the psychosis as one of the simple facts of science, then turn the sick mind’s attention to more important things; she would encourage will to force endurance; she would stimulate the feeling life to the forward look of confidence and faith, or to acceptance of life’s suffering as a challenge. The nurse knows that pains beyond the power of endurance the doctor will lighten. And the patient’s reaction to discomfort and suffering, the understanding nurse, without any preaching, can very largely influence.

The Power of Suggestion

One almost universal condition found in illness is hypersuggestability. Here is the nurse’s despair and her hope. Suggestion may come from without or from within. When from within, we call it autosuggestion.

Many of the sick are temporarily resting their reasoning faculties and their judgment. The sick body is causing a feeling of “jangling nerves,” and the mind, too, is strongly tempted to be sick. So every harsh sound, every jolt, almost every sentence spoken in their hearing suggests immediate nervous reactions. The mind does not wait to weigh them. The nervous system reacts to them the second the impression is registered. The whole self is oversensitive, and the very inflection of a voice has enormous significance. Let the nurse remember that her way of giving a treatment, her expression, or her very presence becomes a potent stimulus on the second, one to which the patient’s mind responds like a flash-light when the button is pressed.

The nurse must comprehend the principle of the nervous effect on the patient of all that is done and said, and realize her tremendous privilege in making those stimuli wholesome. The nurse who has a sympathetic insight, with unswerving loyalty to orders, can carry them out with the average patient, unpleasant though they may be to him, in such a way that his wholesome emotional response will be called forth, a response of co-operation, or of faith or of good breeding, or of “downing” the impulse to indulgence; or a response directed toward holding the nurse’s interest and attention, and so keeping her in the room; such a response as will gain some privilege, etc.

But there are some patients in whose cases ordinary persuasion, suggestion or requests fail. They are too nervously or mentally sick to be moved by logic, or to respond with customary grace to a request which their reason is not awake to answer. All usual suggestions may fail of effect. And for these few, in order that health may be at all assured, even the discipline of force may be necessary. But the nurse must use this only as a last resort, of course, and in accordance with the doctor’s orders, and then solely as treatment leading toward the ways of health. Before turning to this final method she should clearly, firmly, and kindly explain the principle of the discipline if the patient’s mind is at all capable of grasping it. In any case, force should be used only as the surgeon uses his knife. It hurts, but only to help and to save; and it is not called upon when other methods can secure the needed results. But force, thus limited in its application, may prove the only suggestion which will bring about the action necessary to health on the part of the patient. Force unwisely and unkindly used proves a damaging suggestion, causing reactions of fear or anger; or it may lead to delusions of persecution and to strengthened resistance.

Many suggestions come to the patient from within. Discomfort in the right side may suggest appendicitis. A slight indigestion, often purely nervous, may be interpreted as inability to care for certain diet, etc. The wise nurse will displace as many of these as she can by casual suggestions on her own part. She will demand of herself that her very presence be quieting, calming, happy; that her conversation with her patient shall vibrate with a certain something that gives him courage and strengthens the desire and the will to health; that her care of him shall prove confidence-breeding. The patient’s attitude, when he is at all suggestible, is largely in the nurse’s hands, and she can make his illness a calamity by dishonest, fear-breeding, or suspicion-forming suggestion. After all, the whole question here is one of the normality of the nurse’s own outlook on life and people. The happier, truer, and more wholesome it is, the more really can she help her patient to both bodily and mental health. Of one thing let the overzealous nurse beware. Do not irritate your patient by a patent, blatant, hollow cheerfulness that any one of any sense knows is assumed for his benefit. Personally I know of no more aggravating stimulus.

What We Attend To Determines What We Are.—This is one of the first laws of education. If the child’s attention from birth could be controlled, his future would be absolutely assured. But attention is a thing of free will and cannot be forced by others. It can be won through interest or self-directed by will. The child’s attention is entirely determined by interest, interest in the morbid and painful as truly as in the bright and happy. Punishment interests him tremendously because it affects him, it interferes with his plan of life, it holds his entire immediate attention to his injured self. But something more impelling quickly makes him forget his hurt feelings and he is happy again. The average sick person is emotionally very much like the child. His will at the time, as we noted before, is tempted to take a rest, and his interest is ready to follow bodily feeling unless something more impelling is offered. The nurse who can direct attention to other people, to analyzing the sounds of the street, to understanding something of the new life of a hospital or sick room, to planning a house, or choosing its furniture or equipping a library, or supplying a store; to intelligent references to books or current events; or to redecorating the room—all in his mind; to an appetizing tray, a dainty flower, a bit of sunshine, a picture, etc., is fixing the patient’s attention on something constructive, helping him to get well by forgetting to think of himself.

Thus the nurse, knowing the laws of attention, can keep herself alert to divert and direct her patient’s thought to wholesome interests. Knowing the possibility of thought substitution, she can open up new channels of thinking. Knowing the power of the will to assist in health bringing and health keeping, she can sometimes stimulate long-dormant determination. Let her beware, however, of making the convalescent too dependent upon help from without, but prick his pride to gradually increasing doing for himself. Arouse his reasonable ambition, but let him realize that life must be taken up again a step at a time; and that he can do it. If limitations must be accepted, try to inspire the feeling of pride in accomplishing the utmost possible within a limitation, and an acceptance of the inevitable without bitterness.

Attending to the unhappy, the painful, the boring without looking beyond makes life unhappy, painful, and a bore. Not that the nurse should ignore these realities, but she can accept them whole-souledly herself as not the final things, as merely the rocks that can be used to stand upon and get a view of the something better for everybody. When they are thus used by the wholesome mind, facts, the very barest and meanest of them, can be made useful as stepping-stones to the happier facts beyond them.

If the nurse can direct or tactfully lead the patient’s attention away from himself and his illness, she has found a big reinforcement to his treatment. This question is so vital in the care of patients that it will be discussed at greater length later on.

One Thought Can Be Replaced by Another

If we control attention we control thought, and with the suggestible patient this principle depends upon the one just now considered. Hope and courage-breeding thoughts can replace despairing and fearful ones, but it will be only when attention is directed through interest or by will to new material. There is no blank in waking consciousness. The last thought or feeling or perception, through association of ideas, brings up a related one, and so on indefinitely. We may start with a pebble on the road and go on logically, smoothly, until in five minutes we are thinking of the coronation of King George, with no sense of anything at all unusual in the succession. It may be a very roundabout process, from “pebble” through “rough way,” “ways that hurt,” “dangerous ways,” “brigands,” “uncertainties of life.” “Uncertain lies the head that wears a crown,” “King George and his crown,” “coronation.” But this constant stream of thought can be broken into at any point by a spoken word, a passing vehicle, which diverts the mind’s trend. So the nurse can take advantage of the mind’s very suggestibility, and substitute for the unhappy and sickness breeding by turning attention to anything else of a happier color, and may divert the entire stream of thought in that direction. She who knows these simple laws of the mind, and who at all knows people, is a therapeutic agent of unlimited value.

Habit is a Conserver of Effort