Psychology 1000 Lecture Notes - Lecture 1: Reduced Affect Display, Catatonia, Neurotransmitter

• School: Western University
• Department: Psychology
• Course: Psychology 1000
• Professor: Dr.Mike

Document Summary

Splitting of mental processes, not a splitting into different personalities. 1% world wide, 1-2% during life suggests that up to 500000 canadian have schizophrenia. Diagnostic and statistical manual definition: cognitive or perceptual distortion, social or occupational dysfunction, duration, not another disorder. Catatonic: excessive, sometimes violent activity or mute unmoving state. Type i positive symptoms eg; delusions, hallucination. Type ii negative symptoms eg; flat affect. Withdrawing from social interaction and poor self care. False belief that are held in the face of completing evidence to the contrary. Breakdowns in the form or pattern of logical thinking. Disc 1 protein tat guides new neural connection to proper location and tempo. Dopamine theory: neurotransmitter dopamine is related to attention, drugs that stimulate dopamine can induce hallucinations and delusions. Concordance is much less than 100: environmental factors play a role too. Family environment: more conflict with parents of schizophrenics, more negative reactions to child causal.