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James Sully
This eBook from the Gutenberg Project consists of approximately 304 pages of information about Illusions.

CHAPTER VI.

ILLUSIONS OF PERCEPTION—­continued.

  B. Active Illusions.

  Preperception and Illusion, 93-95.

  Voluntary Preperception:—­Choice of interpretation in the case of
  visible movement, 95, 96; and in the case of flat projections of form,
  96-98; capricious interpretation of obscure impressions, 99, 100.

Involuntary Preperception:—­Effects of permanent Predisposition, 101, 102; effects of partial temporary Preadjustment, 102-105; complete Pro-adjustment or Expectation, 106-109; subordination of Sense-impression to Preperception, 109-111; transition from Illusion to Hallucination, 111, 112; rudimentary Hallucinations, 112-114; developed Hallucinations, 114-116; Hallucination in normal life, 116, 117; Hallucinations of insanity, 118-120; gradual development of Sense-illusions, and continuity of normal and abnormal life; 120-123; Sanity and Insanity distinguished, 123-126.

CHAPTER VII.

  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.

CHAPTER VIII.

  ILLUSIONS OF INTROSPECTION.

Illusions of Introspection defined, 189-192; question of the possibility of illusory Introspection, 192-194; incomplete grasp of internal feelings as such, 194-196; misobservation of internal feelings:  Passive Illusions, 196-199; Active Illusions, 199-202; malobservation of subjective states, 202-205; Illusory Introspection in psychology and philosophy, 205-208; value of the Introspective method, 208-211.

CHAPTER IX.

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