The application of the Screening Cerebral Assessment of Neppe (BROCAS SCAN) to a neuropsychiatric population
Abstract
Assessments of higher cortical functioning are often neglected in patients with possible coarse neurobehavioral psychiatric disease, such as dementia, stroke, or focal cerebral lesions. When performed, the short Folstein Mini-Mental State Exam (MMSE) is typically used. The authors' research on 45 neuropsychiatric patients compared the MMSE with a new 20-30-minute bedside examination, the Screening Cerebral Assessment of Neppe (BROCAS SCAN). This screens 10 areas: recall, recognition, orientation, organization of thought, concentration, calculation, agnosia, apraxia, speech, and sensory-motor-reflex phenomena. The BROCAS SCAN (total) correlated extremely well with neuropsychiatric prediction, MRI changes, and neuropsychological testing, and distinguished diagnoses, demonstrating construct and face validity. It also accounted for a larger proportion of variance than the MMSE in correlating with these parameters and was more sensitive in mildly cognitive impaired patients. The briefer first section of the BROCAS SCAN, the core SCAN, also showed statistically relevant relationships to age, diagnosis, MRI, and neuropsychiatric prediction.
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