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more instincts than any other mammal, 403. Reflex impulses, 404. Imitation, 408. Emulation, 409. Pugnacity, 409. Sympathy, 410. The hunting instinct, 411. Fear, 415. Acquisitiveness, 422. Constructiveness, 426. Play, 427. Curiosity, 429. Sociability and shyness, 430. Secretiveness, 432. Cleanliness, 434. Shame, 435. Love, 437. Maternal love, 439.

Instinctive reaction and emotional expression shade imperceptibly into each other, 442. The expression of grief, 443; of fear, 446; of hatred, 449. Emotion is a consequence, not the cause, of the bodily expression, 449. Difficulty of testing this view, 454. Objections to it discussed, 456. The subtler emotions, 468. No special brain-centres for emotion, 472. Emotional differences between individuals, 474. The genesis of the various emotions, 477.

Voluntary movements: they presuppose a memory of involuntary movements, 487. Kinsesthetic impressions, 488. No need to assume feelings of innervation, 503. The 'mental cue' for a movement may be an image of its visual or auditory effects as well as an image of the way it feels, 518. Ideo-motor action, 522. Action after deliberation, 528. Five types of decision, 531. The feeling of effort, 535. Unhealthiness of will: 1) The explosive type, 537; 2) The obstructed type, 546. Pleasure and pain are not the only springs of action, 549. All consciousness is impulsive, 551. What we will depends on what idea dominates in our mind, 559. The idea's outward effects follow from the cerebral machinery, 560. Effort of attention to a naturally repugnant idea is the essential feature of willing, 562. The free-will controversy, 571. Psychology, as a science, can safely postulate determinism, even if free-will be true, 576. The education of the Will, 579. Hypothetical brain-schemes, 582.

Modes of operating and susceptibility, 594. Theories about the hypnotic state, 596. The symptoms of the trance, 601.