PSYC 1002 Lecture Notes - Lecture 11: Neurotransmitter, Frontal Lobe, Prodrome

• School: Carleton University
• Department: Psychology
• Course: PSYC 1002
• Professor: Chris Motz

Document Summary

Two dimensions of positive symptoms tormented, followed, tricked, spied on. Key features: hallucinations: hallucinations: perception-like experiences without an external stimulus. Key features: catatonia: catatonic rigidity rigid posture, catatonic posturing bizarre postures, catatonic excitement purposeless motor activity. Negative: key features: diminished emotional expression: affective flattening, avolition: inability to exhibit purposeful behaviour, alogia: poverty of speech, anhedonia: decreased ability to experience pleasure, asociality: lost desire to be social. Schizophrenia subtypes behaviour, flat or inappropriate affect (criteria are not met for catatonic type) hallucinations, etc. ) but does not meet the criteria for the first three subtypes speech/behaviour. Continuing evidence of the disturbance as indicated by the. Schizophrenia course(progression: active phase prominent symptoms of schizophrenia, residual phase patient shows symptoms similar to prodromal phase, typical pattern is to fluctuate between residual phase and active phase. Schizophrenia: causes: biological factors, evidence of heritability, structural brain abnormalities, enlarged ventricles in the brain, small frontal cortex, neurotransmitter deregulation, higher levels of dopamine, psychological factors, diathesis-stress model.