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Titolo:
CLUSTERING AND SWITCHING ON VERBAL FLUENCY TESTS IN ALZHEIMERS AND PARKINSONS-DISEASE
Autore:
TROYER AK; MOSCOVITCH M; WINOCUR G; LEACH L; FREEDMAN M;
Indirizzi:
UNIV TORONTO,BAYCREST CTR GERIATR CARE,ROTMAN RES INST,3560 BATHURST ST TORONTO ON M6A 2E1 CANADA UNIV TORONTO,BAYCREST GERIATR CTR,DEPT PSYCHOL TORONTO ON M6A 2E1 CANADA UNIV TORONTO,ERINDALE COLL MISSISSAUGA ON L5L 1C6 CANADA TRENT UNIV PETERBOROUGH ON K9J 7B8 CANADA MT SINAI HOSP,DEPT MED,DIV NEUROL,BEHAV NEUROL PROGRAM,BAYCREST GERIATR CTR TORONTO ON M5G 1X5 CANADA
Titolo Testata:
Journal of the International Neuropsychological Society
fascicolo: 2, volume: 4, anno: 1998,
pagine: 137 - 143
SICI:
1355-6177(1998)4:2<137:CASOVF>2.0.ZU;2-C
Fonte:
ISI
Lingua:
ENG
Soggetto:
PROGRESSIVE SUPRANUCLEAR PALSY; SEMANTIC MEMORY; COGNITIVE IMPAIRMENT; HUNTINGTONS-DISEASE; CATEGORY FLUENCY; FREE-RECALL; DEMENTIA; TASKS; DYSFUNCTION; RETRIEVAL;
Keywords:
VERBAL FLUENCY; DEMENTIA OF THE ALZHEIMER TYPE; PARKINSONS DISEASE;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
55
Recensione:
Indirizzi per estratti:
Citazione:
A.K. Troyer et al., "CLUSTERING AND SWITCHING ON VERBAL FLUENCY TESTS IN ALZHEIMERS AND PARKINSONS-DISEASE", Journal of the International Neuropsychological Society, 4(2), 1998, pp. 137-143

Abstract

Two components of verbal fluency performance-clustering (i.e., generating words within subcategories) and switching (i.e., shifting betweensubcategories)-were examined in patients with dementia of the Alzheimer type (DAT), patients with dementia with Parkinson's disease (DPD), nondemented patients with Parkinson's disease (NPD), and demographically matched controls. The DAT and DPD groups were impaired in the number of words generated on both phonemic and semantic fluency. The DAT group produced smaller clusters on both tasks and switched less often onsemantic fluency than controls. The DPD group switched less often on both tasks and produced smaller clusters on phonemic fluency than controls. The NPD group was not impaired on any fluency variable. Thus, the total number of words generated on phonemic and semantic fluency didnot discriminate the dementia groups from their respective control groups, but measures of clustering and switching did. This differential pattern of performance provides evidence for the potential usefulness of measures of switching and clustering in the assessment of dementia.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 05/07/20 alle ore 10:21:29