Chapter 7

DREAMS.

Mystery of sleep, 127, 128; theories of Dreams, 128, 129; scientific explanation of Dreams, 129, 130.

_Sleep and Dreaming_:--Condition of organism during sleep, 131, 132; Are the nervous centres ever wholly inactive during sleep? 132-134; nature of cerebral activity involved in Dreams, 134-136; psychical conditions of Dreams, 136-138.

_The Dream as Illusion_:--External Sense-impressions as excitants of Dream-images, 139-143; internal "subjective" stimuli in the sense-organs, 143-145; organic sensations, 145-147; how sensations are exaggerated in Dream-interpretation, 147-151.

_The Dream as Hallucination_:--Results of direct central stimulation 151-153; indirect central stimulation and association, 153-155.

_The Form and Structure of Dreams_:--The incoherence of Dreams explained, 156-161; coherence and unity of Dream as effected (a) by coalescence and transformation of images, 161-163; (b) by aground-tone of feeling, 164-168; (c) by the play of associative dispositions, 168-172; (d) by the activities of selective attention stimulated by the rational impulse to connect and to arrange, 172-176; examples of Dreams, 176-179; limits of intelligence and rational activity in Dreams, 180-182; Dreaming and mental disease, 182, 183; After-dreams and Apparitions, 183-185.

NOTE.--The Hypnotic Condition, 185-188.