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logical differences, 308; cere-
bral process of, 310; not locally
distinct from that of sensation,
310

Imitation, 406

Inattention, 218, 236

Increase of stimulus, 20; serial,
24

Infundibulum, 82, 84, 88

Inhibition, defective, causes an
Explosive Will, 437

Inhibition of instincts by habits,
399

Insane delusions, 207

Instinct, Chapter XXV; emotions
compared with, 373; definition
of, 391; every instinct is an
impulse, 392; not always blind
or invariable, 395; modified
by experience, 396; two prin-
ciples of non-uniformity, 398;
man has more than beasts, 398,
406; transitory, 402; of chil-
dren, 406; fear, 407

Intellect, part played by, in
space-perception, 349
Intensity of sensations, 16
Interest, selects certain objects
and determines thoughts 170;
influence in association, 262
Introspection, 118

JANET, 211, 212, 301
JACKSON, HUGHLINGS, 105, 117
Joints, their sensbility, 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

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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; hem-
ispheres 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; con-
ditions of good memory, 292;
multiple associations favor,
294; effects of cramming on,
295; how to improve memory,
298; recognition, 299; forget-
ting, 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 condi-
tions, 3-7; states of, their rela-
tion to their objects, 464; see
Consciousness.
Modesty, 407

Monistic theories of conscious-
ness, 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 move-
ment, 307; all consciousness is
motor, 370
MUNK, 110

MUNSTERBERG, 23, 311

Muscular sensation, 65 ff.; rela-
tions 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 condi-
tions 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 imaginatior,
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 an-
other, 170; object must change
to hold attention, 226; objects
as signs and as realities, 345;
relation of states of mind to
their object, 464

Occipited 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; com.
pared with sensation, 312; in-
volves 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 person-
ality, 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, de-
fined, 135
PLATO, 240
Play, 407

Pleasure, and pain, as springs of
action, 444

Psychology and Philosophy, Epi-
logue, 461

Pons Varolii, 79, 84, 108
Positions, place a series of, 341
Practice, improves discrimina
tion, 252

Present, the present moment,
280

Pressure sense, 60
PREYER, 406

Probability determines what ob
ject shall be perceived, 316,
329

Problematic conceptions, 240
Problems, solution of, 272
Projection of sensations, eccen-
tric, 15

Psychology, defined, 1; a natural
science, 2; what data it as
sumes, 2; Psychology and Phil-
osophy, 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 ab-
stract characters. 353; what is
meant by an essential charac-
ter, 354; the essence is always
for a subjective interest, 358;
two great points in reasoning,

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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 succes-
sive passing thoughts, 203;
mutations of the self, 205; in-
sane 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

re-

lation to sensations of rotation,
75
Sensations, in General, Chapter
II, p. 9; distinguished from
perceptions. 12; from images,
14: first things in conscious-
ness 12; make us acquainted
with qualities, 14; their ex-
teriority, 15; intensity of sensa-
tions. 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 di-
mensions primitive to all sensa-
tion, 335; construction of real
space, 337; the processes which
it involves: (1) Subdivision,
338; (2) Coalescence of differ-
ent 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; Berk-
eley'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 con-
sciousness, 462

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Tactile centre in cortex, 116
Tactile images, 308
TAINE, 208

Taste, 69; centre of, in cortex, 116
Teleological character of con-
sciousness, 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 sensa-
tions 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; com-
pared with perception of space,
282; discrete flow of time,
282; long intervals conceived
symbolically, 293; we measure
duration by events that succeed
in it, 283; variations in our
estimations of its length, 283;
cerebral processes of, 286

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Vision, 28 ff.; binocular, 33-9;
of solidity, 37

Visual centre of cortex, 110, 115
Visual imagination, 302
Visualizing power, 302

Vividness, determines associa-
tion, 264

Volition, see Will.
VOLKMANN, 285

Voluminousness, primitive, of
sensations, 335

Voluntary acts, defined, 92; vol-
untary attention, 224; vol-
untary trains of thought, 271

Weber's law, 17. 24, 46, 59
Weber's law-weight, 66; pain,
67
Weight, sensibility to, 66 ff.
WERNICKE 109, 113, 115
WESLEY, 223
WHEATSTONE, 347
WIGAN, 300

Will, Chapter XXVI; voluntary
acts, 415; they are secondary
performances, 415; no third
kind of idea is called for, 418;
the motor-cue, 420; ideo-motor
action, 432, action after de-
liberation, 428; five types of
decision, 429; feeling of effort,

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