influence in association, 262
Introspection, 118

Janet, 211, 212, 301
Jackson, Hughlings, 105, 117
Joints, their sensibility, 74

Kadinsky, 330
Knowledge, theory of, 2, 464, 467;
two kinds of, 14
König, 46
Krishaber, 208

Labyrinth, 47, 49-52
Lange, K., 329
Laws, cerebral, of association, 255
Law, Weber's, 17;
—, Fechner's 21;
—, of relativity, 24
Lazarus, 300, 323
Lenticular nucleus, 81
Lewes, 11, 232, 326
Likeness, 243, 364
Lindsay, Dr., 413
Localization of Functions in the hemispheres, 104 ff.
Localization, Skin, 61
Locations, in environment, 340;
serial order of, 341
Locke, 244, 302, 357
Lockean School, 157
Locomotion, instinct of, 406
Lombard, 131
Longituditional fissure, 84
Lotze, 175
Love, 407
Lower Centres, of frogs and pigeons, 95 ff.
Ludwig, 130

Mach, 75
Mamillary bodies, 84
Man's intellectual distinction from brutes, 367
Mantegazza, 390
Martin, 40, 44, 45, 49, 52, 53, 60, 61, 65, 69
Martineau, 251
Materialism and emotion, 380
Matteuci, 120
Maudsley, 138
Measurement, of sensations, 22;
of space, 342
'Mediumships,' 212
Medulla oblongata, 84, 108
Memory, Chapter XVIII;
hemispheres physical seat of, 98;
defined, 287;
analysis of the phenomenon of memory, 287 ff.;
return of a mental image is not memory, 289;
association explains recall and retention, 289;
brain-scheme of, 291;
conditions of good memory, 292;
multiple associations favor, 294;
effects of cramming on, 295;
how to improve memory, 298;
recognition, 299;
forgetting, 300;
hypnotics, 301
Mental blindness, 112
Mental images, 14
Mental operations, simultaneous, 219
Mental states, cannot fuse, 197;
relation of, to their objects, 464
Merkel, 59, 66
Metaphysics, what the word means, 461
Meyer, G. H., 308, 311
Meynert, 105, 117
Mill, James, 196, 276, 289
Mill, J. S., 147, 157
Mimicry, 406
Mind depends on brain conditions, 3-7;
states of, their relation to their objects, 464;
see Consciousness
Modesty, 407
Monistic theories of consciousness, 462
Morgan, Lloyd, 368
Mosso, 130, 131
Motion, sensations of, Chapter VI, 70 ff.;
feeling of motion over surfaces, 70
Motor aphasia, 108
Motor region of cortex, 106
Motor type of imagination, 307
Movement, consciousness and, II, Chapter I;
images of movement, 307;
all consciousness is motor, 370
Munk, 110
Münsterberg, 23, 311
Muscular sensation, 65 ff.;
relations to space, 66, 74;
muscular centre in cortex, 106
Mussey, Dr., 440

Naunyn, 115
Nerve-currents, 9
Nervous discharge, 120
Nerve-endings in the skin, 60;
in muscles and tendons, 66-67;
Pain, 67 ff.;
nerve-centres, 92
Nerves, general functions of, 91 ff.
Neural activity, general conditions of, Chapter IX, 120;
nervous discharge, 120
Neural functions, general idea of, 91
Neural process, in habit, 134 ff.;
in association, 255 ff.;
in memory, 291;
in imagination, 310;
in perception, 329
Nucleus lenticularis, 81, 108;
caudatus, 81, 108

Object, the, of sensation, 13-15;
of thought, 154, 163;
one part of, more interesting than another, 170;
object must change to hold attention, 226;
objects as signs and as realities, 345;
relation of states of mind to their object, 464
Occipitel lobes, seat of visual centre, 110
Old-fogyism vs. genius, 327
Olfactory lobes, 82, 84
Olivary bodies, 85
Optic nerve, 82, 89
Optic tracts, 84
Original force, effort feels like one, 442
Overtones, 55

Pain, 67 ff.;
pain and pleasure as springs of action, 444
Pascal, 223
Past time, known in a present feeling, 285;
the immediate past is a portion of the present duration-block, 280
Paulhan, 219, 220
Pedagogic remarks on habit, 142;
on attention, 236
Peduncles, 84, 85, 86
Perception, Chapter XX;
compared with sensation, 312;
involves reproductive processes, 312;
the perceptive state of mind is not a compound, 313;
perception is of definite and probable things, 316;
illusory perceptions, 317;
physiological process of perception, 329
Perception of Space, Chapter XXI
Perez, M., 408
Personal Identity, 201;
mutations of, 205 ff.;
alternating personality, 205 ff.
Personality, alterations of, 205 ff.
Philosophy, Psychology and, Epilogue, 461
Phosphorus and thought, 132
Pia mater, 82
Pigeons' lower centres, 96
Pitch, 54
Pituitary body, 82, 89
Place, a series of positions, 341
Plasticity, as basis of habit, defined, 135
Plato, 240
Play, 407
Pleasure, and pain, as springs of action, 444
Psychology and Philosophy, Epilogue, 461
Pons Varolii, 79, 84, 108
Positions, place a series of, 341
Practice, improves discrimination, 252
Present, the present moment, 280
Pressure sense, 60
Preyer, 406
Probability determines what object shall be perceived, 316, 329
Problematic conceptions, 240
Problems, solution of, 272
Projection of sensations, eccentric, 15
Psychology, defined, 1;
a natural science, 2;
what data it assumes, 2;
Psychology and Philosophy, Chapter XXVII
Psycho-physic law, 17, 24, 46, 59, 66, 67
Pugnacity, 406
Purkinje, 75
Pyramids, 85

Quality, 13, 23, 25, 56

Raehlmann, 349
Rationality, 173
Reaction-time, 120 ff.
Real magnitude, determined by æsthetic and practical interests, 344
Real space, 337
Reason, 254
Reasoning, Chapter XXIII;
what it is, 351;
involves use of abstract characters, 353;
what is meant by an essential character, 354;
the essence is always for a subjective interest, 358;
two great points in reasoning, 360;
sagacity, 362;
help from association by similarity, 364;
reasoning power of brutes, 367
Recall, 289
Recency, determines association, 264
'Recepts,' 368
Recognition, 299
Recollection, 289 ff.
Redintegration, 264
Reflex acts, defined, 92;
reaction-time measures one, 123;
concatenated habits are constituted by a chain of, 140
Reid, 313
Relations, between objects, 162;
feelings of, 162
'Relativity of knowledge,' 24
Reproduction in memory, 289 ff.;
voluntary, 271
Resemblance, 243
Retention in memory, 289
Retentiveness, organic, 291;
it is unchangeable, 296
Retina, peripheral parts of, act as sentinels, 73
Revival in memory, 289 ff.
Ribot, 300
Richet, 410
Rivalry of selves, 186
Robertson, Prof. Croom, 318
Rolando, fissure of, 106
Romanes, 128, 322, 367
Rosenthal, 11
Rousseau, 148
Rotation, sense of, 75

Sagacity, 362
Sameness, 201, 202
Schaefer, 107, 110, 118
Schiff, 131
Schneider, 72, 372, 392
Science, natural, 1
Scott, Prof., 311
Sea-sickness, accidental origin, 390
Seat of consciousness, 5
Selection, 10;
a cardinal function of consciousness, 170
Self, The, Chapter XII;
not primary, 176;
the empirical self, 176;
its constituents, 177;
the material self, 177;
the social self, 179;
the spiritual self, 181;
self-appreciation, 182;
self-seeking, bodily, social, and spiritual, 184;
rivalry of the mes. 186;
their hierarchy, 190;
teleology of self-interest, 193;
the I, or 'pure ego,' 195;
thoughts are not compounded of 'fused' sensations, 196;
the soul as a combining medium, 200;
the sense of personal identity, 201;
explained by identity of function in successive passing thoughts, 203;
mutations of the self, 205;
insane delusions, 207;
alternating personalities, 210;
medium-ships, 212;
who is the thinker? 215
Self-appreciation, 182
Self-interest, theological uses of, 193;
teleological character of, 193
Selves, their rivalry, 186
Semicircular canals, 50
Semicircular canals, their relation to sensations of rotation, 75
Sensations, in General, Chapter II, p. 9;
distinguished from perceptions, 12;
from images, 14;
first things in consciousness, 12;
make us acquainted with qualities, 14;
their exteriority, 15;
intensity of sensations, 16;
their measurement, 21;
they are not compounds, 23
Sensations, of touch, 60;
of skin, 60 ff.;
of smell, 69;
of pain, 67;
of heat, 63;
of cold, 63;
of hunger, 69;
of thirst, 69;
of motion, 70;
muscular, 65;
of taste, 69;
of pressure, 60;
of joints, 74;
of movement through space, 75;
of rotation, 75;
of translation, 76
Sense of time, see Time
Sensory centres in the cortex, 113 ff.
Septum lucidum, 87
Serial order of locations, 341
Shame, 374
Sheep's brain, dissection of, 81
Sight, 28 ff.;
see Vision
Signs, 40;
sensations are, to us of other sensations, whose space-value is held to be more real, 345 ff.
Similarity, association by, 267, 364;
see Likeness
Size, 40
Skin—senses, 60 ff.;
localizing power of, 61;
discrimination of points on, 247
Smell, 69;
centre of, in cortex, 116
Smith, T. C., 311
Sociability, 407
Soul, the, as ego or thinker, 196;
as a combining medium, 200, 203
Sound, 53-59;
images of, 306
Space, Perception of, Chapter XXI;
extensity in three dimensions primitive to all sensation, 335;
construction of real space, 337;
the processes which it involves: (1) Subdivision, 338;
(2) Coalescence of different sensible data into one 'thing,' 339;
(3) Location in an environment, 342;
objects which are signs, and objects which are realities, 345;
the third dimension, 346;
Berkeley's theory of distance, 346;
part played by intellect in space-perception, 349
Space, relation of muscular sense to, 66, 74
Spalding, 401 ff.
Span of consciousness, 219, 286
Specific energies, 11
Speech, centres of, in cortex, 109;
thought possible without it, 169;
see Aphasia
Spencer, 103, 387, 390
Spinal cord, conduction of pain by, 68;
centre of defensive movements, 93
Spiritual substance, see Soul
Spiritualistic theories of consciousness, 462
Spontaneous trains of thought, 257;
examples, 257 ff., 271
Starr, 107, 113, 115
Steinthal, 327
Stream of Consciousness, Chapter XI, 151
Stricker, 307
Subdivision of space, 338
Substantive states of mind, 160
Succession vs. duration, 280;
not known by successive feelings, 285
Summation of stimuli, 128
Surfaces, feeling of motion over, 70

Tactile centre in cortex, 116
Tactile images, 308
Taine, 208
Taste, 69;
centre of, in cortex, 116
Teleological character of consciousness, 4;
of self-interest, 193
Temperature-sense, 63 ff.
Terminal organs, 10, 30, 52
Thalami, 80, 86, 89, 108
Thermometry, cerebral, 131
'Thing,' coalescence of sensations to form the same, 339
Thinking principle, see Soul
Third dimension of space, 346
Thirst, sensations of, 69
Thomson, Dr. Allen, 129
Thought, the 'Topic' of, 167;
stream of, 151;
can be carried on in any terms, 167;
unity of, 196;
spontaneous trains of, 257;
the entire thought the minimum, 464
'Timbre,' 55
Time, sense of, Chapter XVII;
begins with duration, 280;
no sense of empty time, 281;
compared with perception of space, 282;