PSY100H1 Lecture Notes - Lecture 4: Disorganized Schizophrenia, Startle Response, Antisocial Personality Disorder
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PSY100H1 Full Course Notes
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Behaviour is determined by multiple factors: nature vs. nurture interactions. Can work together to determine human behaviour (caspi"s study examining. Impossible to separate genetic influences from environmental influences violent behaviour) Epigenetics: changes in gene expression that are due to non-genetic ( epi . Heredity: the genetic transmission of characteristics and traits from parents to offspring. Heritability: in reference to a particular population not individuals. An estimate of the genetic portion of the variation in some specific trait. % of the variation that is explained by genetic differences. Help researchers study the impact of genetic versus environmental influences. Monozygotic identical twins share the same egg, dizygotic fraternal twins. Those raised together (shared genes and shared environment) less similar than those raised apart. Raises issues about the complexity of shared environment. Health psychology: focuses on the events that affect physical well being and applies psychological principles to the understanding of health and well being.