Positive And Negative Symptoms Flashcards
Positive symptoms of schizophrenia
Hallucinations which are unreal perceptions of the environment
Delusions which as bizarre beliefs
Negative symptoms
Speech poverty lessening of speech fluency
Avolition which is a reduction of interests and desires
Reliability of diagnosis ?
Cultural differences in diagnosis eg British vs US psychiatrists diagnosing so (69% vs 2%)
Validity of diagnosis
Symptom overlap - many of the symptoms found in over disorders
Comorbidity - two or more conditions occur together
Family dysfunction explanations
Double bind and expressed emotion
Cognitive explanations
Delusions = egocentric bias
Hallucinations = hyper vigilance and lack of reality testing
Drug therapy
Antipsychotics (atypical and typical)
Cognitive behavioural therapy
Combination of cognitive and behavioural therapy
Consists of Assessment Engagaement ABC model Normalisation Critical collab analysis Developing alt explanations
Family therapy?
Range of interventions aimed at the family
To help manage the individual with schizophrenia
Interactionist approach
Diathesis stress
Tienaris study
Adopted offspring
Biological explanations
Genetic
Family, twin and adoption studies
Dopamine hypothesis
Higher levels of dopamine is associated with positive symptoms of schizophrenia