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SCAN. Schedules for Clinical Assessment in Neuropsychiatry
1Medical Research Council Social Psychiatry Unit, Institute of Psychiatry, London, England.
Archives of General Psychiatry
|June 1, 1990
Summary
The new Schedules for Clinical Assessment in Neuropsychiatry (SCAN) system, building on the Present State Examination (PSE-9), aims to standardize psychiatric diagnosis. It is undergoing global field testing for reliability and ICD-10/DSM-III-R compatibility.
Area of Science:
- Psychiatry
- Clinical Psychology
- Psychometric Assessment
Background:
- The Present State Examination (PSE-9), developed over 12 years, was published in 1974.
- Standardization of psychiatric diagnosis and classification is a key goal for international mental health research.
Purpose of the Study:
- To develop a comprehensive clinical examination procedure.
- To create a system capable of generating diagnostic categories for ICD-10 and DSM-III-R.
- To expand and test the PSE-9 framework within a new system.
Main Methods:
- Expansion of the PSE-9 system within a WHO/ADAMHA joint project.
- Development of the Schedules for Clinical Assessment in Neuropsychiatry (SCAN).
- Inclusion of PSE-10 as a core schedule within SCAN.
- Field testing of SCAN in 20 centers across 11 countries.
Main Results:
- Preliminary tests suggest SCAN maintains reliability similar to PSE-9.
- SCAN is designed to align with ICD-10 and DSM-III-R diagnostic criteria.
- Global field testing is currently underway.
Conclusions:
- SCAN represents a significant advancement in standardized psychiatric assessment.
- The system is expected to enhance diagnostic consistency and cross-cultural comparability.
- A final version of SCAN is anticipated by January 1990.