biomedical model pt. 2: diagnosis of mental disorders Flashcards
diagnosis of mental disorders
what is diagnosis based on?
a classification system - specifies symptoms required for a given diagnosis
diagnosis of mental disorders
meeting diagnostic criteria:
- meeting diagnostic criteria (e.g. panic attacks) is not sufficient
- the symptoms must cause: clinically significant distress or impairment in social, occupational, or other important areas of function
historical context
who developed the classification system for mental disorders?
Emil Kraepelin
He emphasised the importance of brain pathology in mental disorders
DSM
How many disorders does the most recent version of the DSM include?
297 disorders
some have been removed and are no longer considered mental disorders (e.g. homosexuality)
DSM major revisions
DSM I (1952)
3 points
- established mainly by psychoanalysts
- disorders were described using ‘prototypes’
- no diagnostic criteria
DSM II (1958)
3 points
- psychoanalysis still dominated
- homosexuality replaced by ‘sexual orientation disturbance’
- no clear descriptions of ‘disorders’
DSM III (1980)
3 points
- relied to a much greater extent on empirical data
- included specific diagnostic criteria
- translated into 20 languages
DSM III-R (1987)
3 points
- renamed, added and deleted categories
- pressure groups had an influence e.g. ego-dystonic homosexuality removed
- increased reliability
DSM IV (1994)
3 points
- term neurosis was dropped
- conservative approach
- inclusion of a clinical significance criterion to almost half of all the categories, which required that symptoms cause: “clinically significant distress or impairement in social, occupational or other important areas functioning”
DSM IV-TR (2000)
- minor changes related to prevalence rates, course and aetiology
DSM 5 (2013)
2 points
- most substantial revision in the last 20 years
- clearly influenced by the biomedical model of mental disorders
what does the DSM 5 state?
- does not include all possible mental disorders
- cultural and social context must be considered
- making diagnoses requires clinical judjement, not just checking sypmtoms
what are diagnoses made on the basis of?
3 factors
- clinical interview
- DSM-5 text descriptions and criteria
- clinical judgement
new disorders included in DSM 5
3 disorders
- binge eating disorder
- hoarding disorder
- mild neurocognitive disorder
Advantages of classification
advantages of classification:
- facilitates communication between researchers and clinicians by providing a common professional language
- enables consistency in empirical research
- provides a framework for discussing difficult topics and offering help
- labels help to define groups