Personality Assessment in Neuropsychology

Abstract

Three established methods of neurocorrection claim to improve Minnesota Multiphasic Personality Inventory (MMPI)/MMPI-2 validity with closed-head injury (CHI) patients. These methods (which suggest removing `neurological' items from scoring) were employed here comparing 35 CHI patients with 35 psychiatric patients with elevated profiles. The 14-item correction changed 2-point codes for 41% of CHI and 31% of psychiatric profiles, the 30-item system changed 77% of CHI and 71% of psychiatric profiles, whereas the 37-item system changed 80% of CHI and 71% of psychiatric profiles. There were no significant differences between the two groups in number of profiles changed or number of neurocorrective items endorsed. Using each of the three correction systems, the following percentage of profiles remained elevated: 99%, 87%, and 89%, respectively.

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