title: Perceptual distortions and hallucinations reported during the course of sleep deprivation.
abstract: Subjects worked 30 to 45 min. of each hour for either 48 (n = 2) or 72 hr. (n = 8) without sleep. The frequency of reported visual task-related perceptual distortions and hallucinations showed both a linear increasing component and a strong circadian component. Perceptual distortions were most frequent in the late night-early morning hours (0400) and least frequent in the late afternoon-early evening hours (1600-2000).
authors.affiliation: Department of Psychology, Bar-Ilan University, Ramat-Gan, Israel.
authors.forename: H
authors.initials: H
authors.lastname: Babkoff
authors.forename: H C
authors.initials: HC
authors.lastname: Sing
authors.forename: D R
authors.initials: DR
authors.lastname: Thorne
authors.forename: S G
authors.initials: SG
authors.lastname: Genser
authors.forename: F W
authors.initials: FW
authors.lastname: Hegge
mesh_terms: D000293:Adolescent; D000328:Adult; D001143:Arousal; D001288:Attention; D005260:Female; D006212:Hallucinations / Q000523:psychology*; D006801:Humans; D008297:Male; D010469:Perceptual Distortion; D012892:Sleep Deprivation; D014796:Visual Perception