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phencyclidine intoxication

in DSM–IV–TR and DSM–5, a reversible syndrome due to the recent ingestion of phencycline (PCP) or a similar substance. It includes clinically significant behavioral or psychological changes (e.g., belligerence, assaultiveness, impulsiveness, unpredictability, psychomotor agitation, impaired judgment, impaired social or occupational functioning), as well as one or more signs of physiological involvement (e.g., vertical or horizontal nystagmus, hypertension or tachycardia, numbness or diminished responsiveness to pain, unsteady gait, unclear speech, muscle rigidity, seizures, coma). See also substance intoxication.

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Psychology term of the day

January 20th 2025

fluctuation

fluctuation

n.

1. variation in size or value.

2. a slight change that is associated with environmental factors rather than being an inherited trait.

3. in time-series analyses, an irregularity that is not related to any trend and is thus often removed via smoothing.