Synonyms
Dysexecutive questionnaire (DEX)
Definition
Dysexecutive index (DEX) is a behavioral assessment of executive function and measures the possible behavioral changes as a result of dysexecutive syndrome. This index primarily measures behavioral difficulties associated with high-level tasks of executive functioning, including impulsivity, inhibition control, monitoring, and planning. Although initially intended only as a qualitative instrument, the DEX has also been used increasingly to address quantitative problems. The test is a 20-item self-report questionnaire focusing on potential deficits in emotional/personality, motivational, behavioral, and cognitive. Items are scored on a Likert-type scale from “never” to “often.” A version of the DEX is concurrently administered to a reliable informant familiar with the patient’s deficits, such as a spouse, friend, or other relative. There is a specific version for children, the Dysexecutive Questionnaire for Children (DEX-C), requiring...
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References and Readings
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Creque, C., Kolakowsky-Hayner, S.A. (2018). Dysexecutive Index (DEX). In: Kreutzer, J.S., DeLuca, J., Caplan, B. (eds) Encyclopedia of Clinical Neuropsychology. Springer, Cham. https://doi.org/10.1007/978-3-319-57111-9_1886
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DOI: https://doi.org/10.1007/978-3-319-57111-9_1886
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