Causes
Biological Factors
Description
Genetics
Family Studies: risk greater for first degree relatives than like ousins. Twin Studies: MZ=48%, DZ=17% concordance rates. Adoption Studies: genetic factors play a role. Spectrum: many disorders resemble schizophrenia. Molecular Genetics: genetic factors involved,
Pregnancy/Birth Complications
complications during pregnancy or birth. ie dietary habits.
Viral Infetions
born in winter months.
Neuropathology
difference in brain structures,.
Neurochemistry
Dopamine Hypothesis: exvessive levels of dopamine.
Note
Description
Social Factors
Description
Social Class
highest prevalcne of schiz. found in lowest socioeconomic status. SOcial Causation Hypothesis: stress/social isolation/poor nutrition.
Migrant Studies
adversity?
Psychological Factors
Expressed Emotion, Understanding Family Attitudes.
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