PSYA02H3 Lecture Notes - Lecture 22: Double Bind, Dyskinesia, Chlorpromazine
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PSYA02H3 Full Course Notes
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Document Summary
Involving distortions of thought, perception and emotion; bizarre behaviour; social withdrawal. Socially inept, inability to make and keep friends. Residual: type that follows one of the others and is marked by only negative symptoms. Reactive: type marked by rapid onset and brief duration, caused by stresses. Process: type marked by gradual onset and poor prognosis. Paranoid: delusions of persecution are prominent; intellectual functioning and affect are relatively intact but auditory hallucinations are common; people with this have the best prognosis for recovery. Disorganized: disorganized speech and behaviour and at or inappropriate affect are prominent. Catatonic: catatonic (bizarre, immobile, or relentless) motor behaviours are prominent. Undifferentiated: symptoms don"t clearly fall into any of the above 3 subtypes. Antipsychotic drugs like chlorpromazine block da receptors: long term usage of phenothiazines often develops parkinsonian-like symptoms (tardive dyskinesia) Amphetamine psychosis resembles schizophrenia: amphetamine blocks da transporters, thereby raising da levels, amphetamine exacerbates schizophrenia.
