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Cortical vs Subcortical Dementia: Neuropsychological Similarities-Reply

Cortical vs Subcortical Dementia: Neuropsychological Similarities-Reply Abstract In Reply. —Since its inception, the hypothesis of cortical/subcortical dementia has been controversial, and obviously still generates healthy disagreement. The subcortical dementia syndrome includes depression, forget-fulness, apathy, and impairment of cognitive and visuospatial skills. Unlike patients with cortical dementia, there is no abnormality of language function, agnosia, or apraxia, and the dementia is characteristically less severe. At present, despite the suggestive terminology, the distinction between cortical and subcortical dementias is mainly a clinical one; pathologic correlation is little more than speculative, and was not addressed in our report.Despite numerous reviews, only two experimental studies1,2 have objectively evaluated the concept. Our findings suggested a qualitative difference and supported Benson's statement3 that "It is obvious that the clinical features alone provide a clear distinction between the two types of dementia." We found dementia in Parkinson's disease (PD) to be less severe than that in dementia of the Alzheimer type References 1. Mayeux R, Stern Y, Rosen J, et al: Is 'subcortical dementia' a recognizable clinical entity? Ann Neurol 1983;14:278-283.Crossref 2. Huber SJ, Shuttleworth EC, Paulson GW, et al: Cortical vs subcortical dementia: Neuropsychological difference . Arch Neurol 1986;43:392-394.Crossref 3. Benson DF: Subcortical dementia: A clinical approach , in Mayeux R, Rosen WG (eds): The Dementias . New York, Raven Press, 1983, pp 185-194. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Neurology American Medical Association

Cortical vs Subcortical Dementia: Neuropsychological Similarities-Reply

Cortical vs Subcortical Dementia: Neuropsychological Similarities-Reply

Abstract

Abstract In Reply. —Since its inception, the hypothesis of cortical/subcortical dementia has been controversial, and obviously still generates healthy disagreement. The subcortical dementia syndrome includes depression, forget-fulness, apathy, and impairment of cognitive and visuospatial skills. Unlike patients with cortical dementia, there is no abnormality of language function, agnosia, or apraxia, and the dementia is characteristically less severe. At present, despite the suggestive...
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References (4)

Publisher
American Medical Association
Copyright
Copyright © 1987 American Medical Association. All Rights Reserved.
ISSN
0003-9942
eISSN
1538-3687
DOI
10.1001/archneur.1987.00520140007009
Publisher site
See Article on Publisher Site

Abstract

Abstract In Reply. —Since its inception, the hypothesis of cortical/subcortical dementia has been controversial, and obviously still generates healthy disagreement. The subcortical dementia syndrome includes depression, forget-fulness, apathy, and impairment of cognitive and visuospatial skills. Unlike patients with cortical dementia, there is no abnormality of language function, agnosia, or apraxia, and the dementia is characteristically less severe. At present, despite the suggestive terminology, the distinction between cortical and subcortical dementias is mainly a clinical one; pathologic correlation is little more than speculative, and was not addressed in our report.Despite numerous reviews, only two experimental studies1,2 have objectively evaluated the concept. Our findings suggested a qualitative difference and supported Benson's statement3 that "It is obvious that the clinical features alone provide a clear distinction between the two types of dementia." We found dementia in Parkinson's disease (PD) to be less severe than that in dementia of the Alzheimer type References 1. Mayeux R, Stern Y, Rosen J, et al: Is 'subcortical dementia' a recognizable clinical entity? Ann Neurol 1983;14:278-283.Crossref 2. Huber SJ, Shuttleworth EC, Paulson GW, et al: Cortical vs subcortical dementia: Neuropsychological difference . Arch Neurol 1986;43:392-394.Crossref 3. Benson DF: Subcortical dementia: A clinical approach , in Mayeux R, Rosen WG (eds): The Dementias . New York, Raven Press, 1983, pp 185-194.

Journal

Archives of NeurologyAmerican Medical Association

Published: Feb 1, 1987

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