Journal
JOURNAL OF NEUROPSYCHIATRY AND CLINICAL NEUROSCIENCES
Volume 14, Issue 1, Pages 44-51Publisher
AMER PSYCHIATRIC PUBLISHING, INC
DOI: 10.1176/appi.neuropsych.14.1.44
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The association between regional measures of cortical atrophy and neuropsychological (NP) dysfunction was studied in 355 multiple sclerosis (MS) patients. Patients underwent neurological examination, MRI, and NP testing. Blind quantitative MRI analysis yielded total T-2 lesion area (TLA) and third ventricle width (3VW). Cortical atrophy, rated by blind visual inspection, was more extensive in superior frontal arid parietal cortices than in other regions, No MRI measures were correlated with depression scores. TLA and 3VW were significantly correlated with each NP test. Cortical atrophy measures for bilateral superior frontal cortex were retained in regression models predicting impairments in verbal learning, spatial learning, attention, and conceptual reasoning. The authors conclude that cerebral atrophy predicts NP impairment while accounting for the influence of TLA or 3VW. Regions of cortex most susceptible to atrophic and cognitive changes in MS are the right and left superior frontal lobes.
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