Adolescence, interests of, 269 Association, and action, 149 chapter on, 144 development of centers, 57 laws of, 150 and methods of learning, 157 and memory, 146 nature of, 144 neural basis of, 145 partial or selective, 153 pleasure-pain motive in, 155 and thinking, 149 training in, 155 types of, 150 Attention, chapter on, 15 effects of, 16 and efficiency, 17 points of failure in, 20 habit of, 27, 73 improvement of, 26 method of, 18 Attention, nature of, 15 rhythms of, 20 types of, 22 Belief, in thinking, 180 Brain, chapter on, 30 and nervous system, 30 quality and memory, 162 relations of mind and, 30 Cerebellum, the, 37 Cerebrum, the, 37 Concept, the, 187 definition of, 189 function of, 187 growth of, 188 and language, 189 Consciousness, content of, 10 known by introspection, 2 the mind or, 1 nature of, 4 personal character of, 1 as a stream, 5 where it resides, 12 Cord, the spinal, 40 Cortex, the, 39 division of labor in, 45 Decision, under effort, 281 types of, 279 Decision and will, 277 Deduction, 196 Development, of association centers, 57 chapter on, 50 and instinct, 209 mental and motor training, 50 of nervous system, 60 through play, 215 Direction, perception of, 105 Disposition, and mood, 232, 230 and temperament, 233 Education, as habit forming, 78 Emotion, chapter on, 239 control of, 243, 246 cultivation of, 247 and feeling, 239 James-Lange theory of, 239 as a motive, 251 physiological explanation of, 240 End-Organ(s) of hearing, 92 kinaesthetic, 96 and sensory qualities, 91 of skin, 94 of smell, 94 of taste, 93 of vision, 91 Environment, influence of, 213 Expression, and character, 303 educational use of, 301 Expression, and impression, 296 learning to interpret, 4 limitations of, 297 self-, and development, 294, 298 Fatigue, and habit, 72 and nervous system, 62 Fear, instinct of, 221 types of, 222 Feeling, chapter on, 226 effects of, 230 and mood, 230 nature of, 227 qualities, 227 Forgetting, rate of, 170 Habit, of attention, 27, 73 chapter on, 66 effects of, 70 emotional, 257 forming as education, 78 and life economy, 70 nature of, 66 and personality, 75 physical basis of, 67 rules for forming, 81 tyranny of, 77 Handicrafts, and education, 302 Hearing, 92 Idea, and image, 111, 114 Image(ry), ability in, 118 chapter on, 111 classes of, 117 Image(ry), cultivation of, 123 and past experience, 111 functions of, 120 and ideas, 111, 114 and imagination, 134 types of, 119 Imagination, chapter on, 127 and conduct, 133 cultivation 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