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Cocaine hallucinations.

R K Siegel

The American journal of psychiatry March 1978 DOI: 10.1176/ajp.135.3.309 (opens in new tab)

Study at a glance

AI-extracted from the abstract
Characteristics Review Peer reviewed
Sample size 85
Population Recreational cocaine users
Key findings Among 85 recreational cocaine users, 15 reported hallucinations in visual, tactile, olfactory, auditory, and gustatory modalities. The author proposes that a phenomenon he terms "snow lights" can begin a progression of symptoms leading to the classic "cocaine bugs," and argues that similarities between cocaine hallucinations and entoptic and migraine hallucinations suggest a common mechanism based on CNS excitation and arousal.

Abstract

The author reviews the literature on hallucinations that occur as a result of acute and chronic administration of cocaine. He examined the phenomenology of cocaine hallucinations in a group of 85 recreational cocaine users, 15 of whom reported hallucinatory experiences in visual, tactile, olfactory, auditory, and gustatory modalities. He discusses a new phenomenon of "snow lights" in terms of initiating a progression of symptoms leading to the classic "cocaine bugs." He also points out the similarity of cocaine hallucinations to entoptic phenomena and migraine hallucinations, which suggests a common mechanism of action based on CNS excitation and arousal.