PSY 2201 Lecture 6: Schizophrenia Spectrum Disorders
Document Summary
Positive symptoms: o(cid:373)ethi(cid:374)g is there that (cid:862)should(cid:374)"t (cid:271)e there(cid:863) Delusions: irrational thoughts and beliefs, completely divorced from reality. (e. g. , delusions of grandeur, delusions of persecution; ideas of reference) Hallucinations: sensory events in the absence of sensory stimuli i. e. , hearing things or seei(cid:374)g thi(cid:374)gs that are(cid:374)"t there. Negative symptoms: something is not there that (cid:862)should (cid:271)e there(cid:863) Avolition (apathy): unable to initiate even basic activity. Alogia: unable to speak or responding to questions with very brief replies. Flat affect (cid:894)(cid:862)(cid:271)lu(cid:374)ted affe(cid:272)t(cid:863)(cid:895): la(cid:272)k of appare(cid:374)t e(cid:373)otio(cid:374)al respo(cid:374)se i(cid:374) fa(cid:272)ial expressions. *tangentiality: going off on an irrelevant ramble instead of addressing the question. *derailment: jumping from topic to topic through loose associations. *laughing while discussing something sad or crying when discussing something joyful. *catatonia wildly agitated movements or holding a bizarre statue pose. Schizophreniform disorder: brief (several months) experience of schizophrenia symptoms, then full recovery. Brief psychotic disorder: the same as schizophreniform disorder, but lasting less than one month.
