Schizophrenia and psychotic disorders Flashcards
(282 cards)
Environmental risk factors for developing schizophrenia
Urban living
Being a migrant
Winter/spring birth
Male:female incidence of schizophrenia
1.4:1
Point prevalence of schizophrenia
4.6/1000
Lifetime risk of schizophrenia
0.7%
Differences in schizophrenia epidemiology in developing countries
Lower rates overall
Higher comparative rates of catatonia
Lower comparative rates of hebephrenic schizophrenia
Percentage of patients with schizophrenia who have catatonia in developed countries
1%
Percentage of patients with schizophrenia who have catatonia in developing countries
10%
Percentage of patients with schizophrenia who have hebephrenia in developed countries
13%
Percentage of patients with schizophrenia who have hebephrenia in developing countries
4%
Percentage of apparently healthy people who report experiencing hallucinations
4.2%
Percentage of apparently people who report hearing voices saying ‘quite a few words’ when there was nobody around to account for it
0.7%
Average age of onset of delusional disorders
39
OR of schizophrenia with associated cannabis use
2.1
Figures who identified that patients with schizophrenia in high expressed emotion families were more likely to experience a relapse
Brown and Rutter
Risk of relapse within a year for patients with schizophrenia in high expressed emotion families without family therapy
64%
Risk of relapse within a year for patients with schizophrenia in high expressed emotion families after family therapy
24%
Three forms of social skills training for patients with schizohprenia
Basic model
Problem solving model
Cognitive remediation model
Description of the basic model of social skills training
Complex social repertoires are broken down into smaller steps, learned, practiced, and then applied to natural settings
Description of the social problem solving model of social skills training
Suggests that deficits in information processing are the cause of deficits in social skills
Aims to improve impairments in information processing
Targets medication and symptom management, recreation, basic conversation, and self care
Description of the cognitive remediation model of social skills training
Targets fundamental cognitive skills such as attention and planning
Suggests that improvements in fundamental skills will transfer to more complex processes
Percentage of patients with a first episode of psychosis who relapse within a year despite antipsychotic treatment
27%
Percentage of patients with a first episode of psychosis who relapse within a year with placebo treatment
61%
Percentage of all patients with psychosis who relapse within one year despite antipsychotic treatment
40%
Percentage of patients with psychosis who live in a stressful situation who relapse within one year despite antipsychotic treatment
62%