Sz Flashcards
+ symptoms
Hallucinations
Delusions
Thought insertion
Disordered thinking
- symptoms
Affective flattening
Avolition
Withdrawal
Anhedonia
DA hypothesis
Sz associated with imbalance in DA Abnormally high number of D2 receptors More opportunity to bind Increased excitation and greater activation of DA messages Associated with positive symptoms
Genetic explanation
Saying Sz is partly related to genetics
Using Family Twin Adoption studies
Cognitive explanation
Sz due to faulty cognitive processes
Metarepresentation
Central control
Treatments - biological
Antipsychotics - work by reducing levels of DA in areas of the brain associated with Sz
Typical - 1950s, more aggressive side effects, control positive symptoms e.g. Chlorpromazine
Atypical - 1990s, developed due to side effects of typical, control + and - symptoms, less aggressive side effects e.g. Clozapine
Treatments - non biological
CBT
Normalising
Belief modification
Focussing and reattribution
BIG PART TO INCLUDE FOR ALL
Diasthesis stress
Genetic template but needs environmental stressor
Prevalence and onset
1% worldwide
Male > female
15 - 35
Urban > rural
Working class > middle class
Prognosis (likely course)
25% recover
50% intermittent
25% continual (decline)