Objective: To examine the relationship between the Neurobehavioral Cognitive Status Examination (Cognistat) and established neuropsychological measures of related constructs in a traumatic brain injury (TBI) sample. Design: A retrospective study of 45 patients who were administered Cognistat as part of a neuropsychological evaluation. Setting: A tertiary care rehabilitation center. Patients: Forty-five TBI patients admitted to an inpatient rehabilitation unit from January 1994 through December 1995 and referred for a neuropsychological evaluation. Main Outcome Measure: Cognistat, a neuropsychological screening measure, that assesses orientation, attention, language, memory, calculation, construction, and reasoning. Pearson zero-order correlations were calculated between Cognistat subtests and selected standard neuropsychological measures. It was hypothesized that Cognistat would be associated with the standard neuropsychological measures. Results: The following Cognistat subtests were significantly associated with standard neuropsychological measures: Cognistat Memory with the California Verbal Learning Test and Logical Memory, Cognistat Comprehension with the Token Test, Cognistat Construction with Block Design, and Cognistat Attention with Trails A. No significant relationship was found between Cognistat reasoning subtests and the Wisconsin Card Sorting Test. Conclusion: Consistent with the hypotheses, Cognistat subtests were significantly associated with standard neuropsychological measures of related cognitive constructs. These findings suggest that general statements regarding specific domains of cognitive functioning can be made using Cognistat subtest scores.
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Nabors et al. (1997) studied this question.