Explanations of Schizophrenia (OCR A-Level Psychology): Flashcards
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Neural correlates definition
Neural correlates definition
Brain activity needed to produce specific experiences
Example of neural correlate in schizophrenia
Example of neural correlate in schizophrenia
Dopamine hypothesis
Prefrontal cortex activity in schizophrenia
Prefrontal cortex activity in schizophrenia
Lower activity
Prefrontal cortex abnormality links to
Prefrontal cortex abnormality links to
Delusions
Low dopamine linked to which symptoms
Low dopamine linked to which symptoms
Negative symptoms
High dopamine linked to which symptoms
High dopamine linked to which symptoms
Positive symptoms
Brain area linked to avolition
Brain area linked to avolition
Ventral striatum
Ventral striatum function
Ventral striatum function
Anticipation of reward for actions
Ventricle size in schizophrenia
Ventricle size in schizophrenia
Abnormally large
MZ vs DZ twin concordance for schizophrenia
MZ vs DZ twin concordance for schizophrenia
Higher in MZ twins
Confound in genetic twin studies
Confound in genetic twin studies
Environmental factors (MZ twins share similar environments)
Benefit of genetic understanding
Benefit of genetic understanding
Early intervention possible
Criticism of biological explanations
Criticism of biological explanations
Reductionist - neglects psychological/social/environmental