PSY 212 Lecture Notes - Lecture 3: Psychomotor Retardation, Avolition, Catatonia
Document Summary
Negative symptoms of schizophrenia: absent in people with schizophrenia, algoia, flat affect- anhedonia, avolition: lack of motivation, ambivalence, social withdrawal. Psychomotor symptoms of schizophrenia: present in people with schizophrenia, psychomotor retardation, awkward movements or gestures, catatonia- catatonic stupor, rigidity, posturing, and excitement, though blocking: speech interruption by long pauses of silence. Inability to pay attention: visual and verbal learning and memory, decreased speed of information processing. Prevalence of schizophrenia: lifetime prevalence rates average around 1, equal prevalence across genders, onset is typically form teens to mid-30"s, onset could be acute or gradual- could have disorder for a year but not show symptoms.
