Dysexecutive Index (DEX)
Dysexecutive questionnaire (DEX)
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...
References and Readings
- Wilson, B. A., Evans, J. J., Alderman, N., Burgess, P. W., & Emslie, H. (1997). Behavioural assessment of the Dysexecutive syndrome. In Methodology of frontal and executive function (pp. 239–250). Oxfordshire, UK: Psychology Press Ltd.Google Scholar