PSYC 300 Chapter Notes - Chapter 13: Limbic System, Dopamine Hypothesis Of Schizophrenia, Temporal Lobe
Document Summary
Risk factors old dads (45+) at age of birth, parents work at dry cleaner, afro-caribbean origin living in uk. Onset late adolescence to early adulthood; Men 20-24, women same but second rise at 40. When estrogen is low psychotic symptoms worsen. May explain late onset age and second rise (menopause causes low estrogen) Made feelings or impulses, thought broadcasting, thought insertion, delusions of reference, delusions of bodily changes. Often relevant to patient at emotional, affective, or behavioural level. Show increased activity in broca"s area (speech production) Misinterpret their own thoughts as coming from another source. External manifestation of a disorder in thought form. Avolition inability to persist in goal-directed activities. Paranoid schizophrenia absurd and illogical beliefs elaborated into coherent framework. Disorganized schizophrenia disorganized speech, behaviour, flat/inappropriate affect. Catatonic schizophrenia pronounced motor signs that reflect great excitement or stupor. Long-term (10 year) outcome better than schizophrenia. Short schizophrenia (longer than 1 month but shorter than 6)
