substance-induced psychotic disorder

in DSM–IV–TR, prominent hallucinations or delusions due to the direct physiological effects of a substance and not arising as part of a withdrawal syndrome. The equivalent term in DSM–5 is substance/medication-induced psychotic disorder. Also called hallucinosis. See alcohol-induced psychotic disorder; amphetamine-induced psychotic disorder; cannabis-induced psychotic disorder; hallucinogen-induced psychotic disorder.

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Psychology term of the day

February 22nd 2025

excitotoxic lesion

excitotoxic lesion

a lesion caused by paroxysmal overactivity of neurons, which may be associated with seizures or occur after stroke. This is most commonly caused by overstimulation of neurons by excitatory amino acids (see excitotoxicity).