A neurocorrective approach for MMPI-2 use for brain-damaged patients
SourceInternational Journal of Rehabilitation Research, 22, 4, (1999), pp. 249-260
Article / Letter to editor
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SW OZ BSI KLP
International Journal of Rehabilitation Research
SubjectExperimental Psychopathology and Treatment
Conventional administration of the Minnesota Multiphasic Personality Inventory-2 (MMPI-2) to aetiologically distinct brain-damaged out-patients (n = 137) revealed significant indications of psychological maladjustment. An adjustment for the endorsement of aetiology-specific items pertaining to traumatic brain injury (TBI), stroke, and whiplash was considered necessary, however, because these items may represent potentially valid symptoms or manifestations of neurological damage or dysfunction. These so-called neurologically relevant items (NRIs) were identified in a previous study. With this corrective approach, based on the complete MMPI-2 item pool, it was shown that T-score elevations could at least in part be attributed to symptoms associated with brain injury, regardless of the type of brain damage. Similarly, after prorated correction for the endorsement of NRIs, code-typing appeared to be substantially changed with respect to both occurrence and content of the MMPI-2 defined code-types. The validity of the NRI concept was supported by comparing NRI/non-NRI endorsement ratios of traumatically brain-injured patients with those of non-neurological patients, and with those having anxiety and somatoform disorders. To prevent unjustified interpretations when administering the MMPI-2 to brain-damaged patients, an adjustment procedure for NRI-endorsement is proposed, and difficulties in interpretation are discussed.
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