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The performance characteristics of the Neurobehavioral Cognitive Status Exam (NCSE) (R. Kiernan and others, 1987) was studied with 50 outpatients, most with cognitive dysfunction using comprehensive neuropsychological assessment as the criterion. Results suggest that operating characteristics of the NCSE depend on the nature of the sample assessed and dysfunction severity. (SLD)

This investigation was designed to determine the predictive accuracy of a comprehensive neuropsychological and brief neuropsychological test battery with regard to the capacity to perform instrumental activities of daily living (IADLs). Accuracy statistics that included measures of sensitivity, specificity, positive and negative predicted power and positive likelihood ratio were calculated for both types of batteries. The sample was drawn from a general neurological group of adults (n = 117) that included a number of older participants (age >55; n = 38). Standardized neuropsychological assessments were administered to all participants and were comprised of the Halstead Reitan Battery and portions of the Wechsler Adult Intelligence Scale-III. A comprehensive test battery yielded a moderate increase over base-rate in predictive accuracy that generalized to older individuals. There was only limited support for using a brief battery, for although sensitivity was high, specificity was low. We found that a comprehensive neuropsychological test battery provided good classification accuracy for predicting IADL capacity. [ABSTRACT FROM AUTHOR]