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The role played by the right hemisphere in the organization of complex textual structures
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The role played by the right hemisphere in the organization of complex textual structures
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The effects of left- versus right-hemisphere lesions on the sensitivity to intra- and interconceptual semantic relationships
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Age-related evolution of the contribution of the right hemisphere to language: absence of evidence
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The Mental Deterioration Battery: normative data, diagnostic reliability and qualitative analyses of cognitive impairment.
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Defective concept formation in parkinsonians is independent from mental deterioration.
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Abstract:
An extensive neuropsychological battery (the Mental Deterioration Battery) was utilized to distinguish, within a sample of 24 idiopathic Parkinsonians, those showing signs of diffuse mental deterioration (n = 9) from those without deterioration (n = 15). Performances of control subjects on a wide range of tests exploring mnesic, visuo-constructive, linguistic and general intellectual functions (n = 21) did not differ from analogous performances of Parkinsonians without signs of diffuse mental deterioration. The Wisconsin Card Sorting Test was then used to verify the hypothesis that a selective impairment of cognitive functions subsumed by the integrity of frontal lobes could be demonstrated in Parkinsonian patients. Our results provide evidence that in this task, defective performances are obtained by Parkinsonians and even by patients without signs of diffuse cognitive impairment. These findings seem to confirm that a deficit in concept formation, maintenance and shifting is largely independent of the dementia frequently noticed in Parkinson's disease.
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Keyword:
Research Article
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URL: https://doi.org/10.1136/jnnp.52.3.334 http://jnnp.bmj.com/cgi/content/short/52/3/334
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Defective concept formation in parkinsonians is independent from mental deterioration.
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THE NATURE OF LEXICAL-SEMANTIC IMPAIRMENT IN ALZHEIMER'S DISEASE
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Defective concept formation in parkinsonians is independent from mental deterioration
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Defective concept formation in parkinsonians is independent from mental deterioration
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Patterns of dissociation in comprehension and production of nouns and verbs
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Discovery of simple binary sequences in brain damaged patients
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