PSYC 1000 Lecture Notes - Lecture 20: Speech Disorder, Catatonia, Dsm-5

• School: University of Guelph
• Department: Psychology
• Course: PSYC 1000
• Professor: Paula Barata

Document Summary

Receiving the world in a dramatically different way. More likely to have violent upon themselves. Uncommon less than 1% of the world population. Belief that are not based on reality (for the person"s culture) Most of the time over 1 - month. Presence of something that is normally absent. Delusions , disordered speech and thought, hallucinations. Absence of something that is normally present. Flat affect; poverty of speech; lack of motivation. Concordance rate higher for identical twins than fraternal twins (25-50% vs. Also higher for biological parents compared to adoptive parents. Over activity of dopamine in areas that regulate emotion, motivation, cognitive functioning. 20-35% show neuron deterioration in regions that influence cognitive processing. Ex. born during late winter early spring. Causes and onset of schizophrenia: a developmental model. How the causes of schizophrenia interact over time. Genetic predisposition --( early environmental disruptions to brain development (ex. malnutrition)) neurodevelopmental abnormalities at adolescence. Neurodevelopmental abnormalities at adolescence -- (stressful life experiences (ex.