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Schizophrenia (CLASSIFICATION & DIAGNOSIS (severe mental illness &…
Schizophrenia
CLASSIFICATION & DIAGNOSIS
severe mental illness & DSM-V and ICD-10
positive symptoms: hallucinations & delusions
negative symptoms: avolition & speech therapy
issues related to diagnosis
inter-rater reliability
validity
co-morbidity
symptoms overlap
gender and culture bias
BIOLOGICAL EXPL.
Ripke - genetic variations
Gottesman & Ripke - genetic vulnerability
DNA mutation
dopamine hypothesis
Curran - amphetamines
dopamine hypothesis
neural correlates
correlation between ventral striatum & avolition
BIO. THERAPIES
typical antipsychotics
blocking dopamine receptors
antagonists
atypical antipsychotics
clozapine & risperidone
strengths: Thornley & Herbert Meltzer
Criticisms: side effects& NMS & theoretical issues - dopamine levels
PSYCH EXPL.
family dysfunction
Fromm-Reichmann - mothers
Bateson- double blind theory
Cognitive explanations
dysfunctional thought processing
strengths: Read & Berry & Stirling
Criticisms: weak validity & Harrington & causality