Abstract:
:Forty-six patients with single focal lesions (35 frontal, 11 nonfrontal) were administered the Wisconsin Card Sorting Test (WCST) under three conditions of test administration. The three conditions varied in the amount of external support provided via specificity of instructions. The WCST, while a multifactorial test, is specifically sensitive to the effects of frontal lobe damage if deficits in language comprehension and visual-spatial search are controlled. There is also specificity of functioning within the frontal lobes: patients with inferior medial frontal lesions, unilateral or bilateral, were not impaired on the standard measures although they had increased loss of set when informed of the sorting categories. Verbal instructions may provide a probe to improve diagnosis and prognosis, assessment of the potential efficacy of treatment, and the time frame of plasticity of specific cognitive operations.
journal_name
Neuropsychologiajournal_title
Neuropsychologiaauthors
Stuss DT,Levine B,Alexander MP,Hong J,Palumbo C,Hamer L,Murphy KJ,Izukawa Ddoi
10.1016/s0028-3932(99)00093-7subject
Has Abstractpub_date
2000-01-01 00:00:00pages
388-402issue
4eissn
0028-3932issn
1873-3514pii
S0028-3932(99)00093-7journal_volume
38pub_type
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