Assessment of personality and emotional functioning is an important part of neuropsychological evaluation. While it has been established that emotional disturbances can negatively affect cognitive functioning, the extent to which emotional factors influence neuropsychological test performance is still a controversial topic. Research indicates emotional disturbances are not likely to cause impairment in neuropsychological test performance to the same extent as neurological dysfunction; however, emotional factors may serve to exacerbate cognitive deficits or may be the primary cause of poor neuropsychological test performance. The Personality Assessment Inventory (PAI) is an objective test of personality and psychopathology that is growing in popularity and has demonstrated some utility for neurologic populations. The current study compared the neuropsychological test performance of patients with significant elevations (i.e. t > 70) on clinical scales of the PAI to patients with normal PAI profiles. The results of one-way ANOVAs indicated no significant differences on any of the neuropsychological measures included in the study.
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