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A short screening battery of tests to detect organic brain dysfunction
Journal of Clinical Psychology
|January 1, 1978
Summary
A new screening device effectively identifies organic brain dysfunction in diverse populations. This tool accurately distinguishes between brain-damaged individuals and healthy controls, aiding in early detection and diagnosis.
Area of Science:
- Neuropsychology
- Clinical Psychology
- Medical Diagnostics
Background:
- Organic brain dysfunction presents diagnostic challenges across various populations.
- A need exists for accessible screening tools for cognitive impairment.
Purpose of the Study:
- To develop and validate a brief screening device for detecting organic brain dysfunction.
- To assess the device's efficacy in differentiating between brain-damaged and normal individuals.
Main Methods:
- An 8-test battery with 22 scoring variables was administered to 65 brain-damaged and 65 matched normal participants.
- Stepwise multiple regression was employed to create a classification procedure.
- The battery's discriminatory capacity was validated on an independent sample of 33 individuals.
Main Results:
- The screening battery achieved high accuracy in discriminating between organic and normal groups.
- Misclassification rates were 6% for normal subjects and 16% for organics at the selected cutoff.
- Validation on a new sample confirmed the battery's satisfactory discriminatory power.
Conclusions:
- The developed screening device is a reliable tool for identifying organic brain dysfunction.
- The battery demonstrates suitability for both literate and non-literate populations.
- This tool offers a practical approach to cognitive impairment screening in clinical settings.