PSYB65H3 Chapter Notes - Chapter 16: Anxiolytic, Temporal Lobe, Supine Position
Document Summary
Ptsd: having flashbacks and nightmares long after a physical danger or stressor, leading to emotional numbness. Organic-neurological disorders- tangible and can be explained biologically generates sensory representations of the world; preconscious. Behavioural-psychiatric disorders- no solid biological explanation: parkinson"s and stroke, schizophrenia and ptsd. Neurological disorders: genetic errors: huntington"s disease, epigenetic mechanisms (prenatal, late onset, heredity, progressive cell death, neurodegenerative: parkinson"s and alzheimer"s, rapid cell death: stroke, tbi, loss of neural function and connections: multiple sclerosis and myasthenia gravis. Behavioral disorders: genetic error: tay-sachs disease, hormonal anomaly: androgenital syndrome, developmental anomaly: schizophrenia, infection: encephalitis, injury: tbi, toxins, poor nutrition, stress: anxiety disorders, negative experience: developmental delays. Phenylketonuria- behavioural disorder caused by elevated levels of phenylalanine in blood resulting from defect in gene for the enzyme phenylalanine hydroxylase; severe mental retardation. Psychiatric diagnosis: problem: mainly based on behavioural symptoms and give few clues on neurochemical/structural causes.
