on of, 136, 140
function of, 127
the stuff of, 134
and thinking, 134
types of, 138

Imitation, conscious and unconscious, 212
individuality in, 211
the instinct of, 210
in learning, 211

Induction, 197

Instinct(s), chapter on, 201
definition of, 202
of fear, 221
of imitation, 210
laws of, 205
nature of, 201
of play, 214
as starting points in development, 209
transitory nature of, 206
various undesirable, 222
various useful, 218

Interest(s), chapter on, 254
direct and indirect, 258
and education, 265
and habit, 257
nature of, 254

Interest(s) and nonvoluntary attention, 23
order of development of, 267
selection among, 262
transitoriness of certain, 260

Introspection, 2
and imagery, 116
method of, 3

James, quoted, 81
theory of emotion, 239

Judgment, functions of, 192
nature of, 191
in percepts and concepts, 191
and reasoning, 195
validity of, 193

Knowledge, raw material of, 96
through senses, 84

Language, and the concept, 189

Laws, of association, 150
of instinct, 205
of memory, 168

Learning, and association, 157

Localization of function in cortex, 43

Meaning, dependence on relations, 193

Memorizing, rules for, 169

Memory, and association, 146
and brain quality, 162
chapter on, 160
devices, 175
factors involved in, 163
what constitutes good, 171
laws of, 168
material of, 166
nature of, 160
physical basis of, 161

Mind, or consciousness, at birth, 32
and brain, 30
chapter on, 1
dependence on senses, 48
and external world, 32

Mood, and disposition, 230, 232
influence of, 231
how produced, 230

Motive, emotion as a, 257

Neuroglia, 35

Neurone, the, 34

Nerve cells, and nutrition, 50
undeveloped, 57

Nerve fibers, 57

Nervous system, and association, 145
and consciousness, 12
division of labor in, 43
factors determining efficiency of, 50
and fatigue, 62
gross structure of, 36

Nervous system, and nutrition, 64
order of development, 60
structural elements in, 34
and worry, 62

Objects, defined through perception, 101
physical qualities of, 87, 89

Percept, content of, 101
functions of, 103

Perception, chapter on, 98
of direction, 105
function of, 98
nature of, 100
of space, 104
of time, 106
training of, 108

Personality, and habit, 75
influence of, 213

Play, and education, 215