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MS vs. HD: Can white matter and subcortical gray matter pathology be distinguished neuropsychologically?
Authors
John R. Corboy
Christopher M. Filley
+3 more
Jose M. Lafosse
Maureen A. Leehey
Lauren C. Seeberger
Publication date
1 February 2007
Publisher
ePublications at Regis University
Abstract
This study was conducted to examine the neuropsychological effects of white matter and subcortical gray matter pathology. Nineteen patients with multiple sclerosis (MS), 16 with Huntington\u27s disease (HD), and 17 normal controls (NC) participated. Participants completed the California Verbal Learning Test (CVLT), Rotary Pursuit (RP) and Mirror Tracing (MT) tasks, and the Symbol Digit Modalities Test (SDMT). The principal findings pertain to a dissociation in procedural memory: on RP, the HD group demonstrated impaired sequence learning compared to the MS group, which performed similarly to the NC group, yet on MT, the MS and HD groups demonstrated normal perceptual-motor integration learning. On the CVLT, both patient groups performed better on recognition than on recall. On the SDMT, both patient groups performed worse than the NC group, with the HD group performing more poorly than the MS and NC groups. These results suggest that involvement of white and subcortical gray matter may produce different neuropsychological effects. © 2006 Psychology Press
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Last time updated on 13/01/2021