PSY 100 Lecture Notes - Lecture 34: Twin Study, Occipital Lobe, Auditory Cortex
Document Summary
Schizophrenia: schizophrenia is not multiple personalities, many people believe it is a jekyll & hyde switch. Onset & development: schizophrenia affects nearly 1% of the world"s population. 60% of those affected are male: men: typically appears in late teens or early twenties, women: typically appears in late twenties early thirties, schizophrenia is a chronic mental illness (lifelong, there is a strong genetic component. Twin studies (50% for identical twin, 9% if sibling has it: nurture (environment) does play a role. The brain: brain appears smaller with enlarged ventricles, certain individual structures appear smaller. Thalamus: the basal ganglia (looks like a ram!) Associated with regulation of information coming into/leaving the brain. Could be why hallucinations are occurring: temporal lobe. *treating the hallucinations/illusions as if they were real: dopamine receptors. Individuals with schizophrenia often have a more prevalent amount of these. If improvement occurs, it is within first 6 months of use. 25% of people with schizophrenia do live with their family.
