CHAPTER VI.. Illusions of Perception--_continued_.

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.