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hallucinogen intoxication

in DSM–IV–TR and DSM–5, a reversible syndrome that is due to the recent ingestion of a specific hallucinogen and is marked by euphoria, subjective intensification of perceptions, hallucinations, synesthesias, pupillary dilation, increased heart rate, sweating, palpitations, blurring of vision, tremors, and incoordination. With higher levels of intoxication, clinically significant behavioral or psychological changes can include marked anxiety or depression, delusion of reference, difficulty focusing attention, fear of losing one’s mind, paranoia, and impaired judgment. See also phencyclidine intoxication; substance intoxication.

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Psychology term of the day

November 18th 2024

contrast polarity

contrast polarity

the degree of contrast between two visual elements, particularly figure and background. Contrast can be positive (light objects against dark backgrounds, e.g., a white letter printed upon black paper) or negative (dark objects against light backgrounds, e.g., a black letter printed upon white paper).