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The age of acquisition of words produced in a semantic fluency task can reliably differentiate normal from pathological age related cognitive decline

Forbes-McKay, Katrina E. ; Ellis, Andrew W. ; Shanks, Michael F. ; Venneri, Annalena

Neuropsychologia, 2005, Vol.43 (11), p.1625-1632 [Periódico revisado por pares]

Oxford: Elsevier Ltd

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Título:
The age of acquisition of words produced in a semantic fluency task can reliably differentiate normal from pathological age related cognitive decline
Autor: Forbes-McKay, Katrina E. ; Ellis, Andrew W. ; Shanks, Michael F. ; Venneri, Annalena
Assuntos: Adult and adolescent clinical studies ; Age of acquisition ; Age of Onset ; Aged ; Aged, 80 and over ; Aging - physiology ; Alzheimer ; Alzheimer Disease - complications ; Alzheimer Disease - physiopathology ; Biological and medical sciences ; Cognition Disorders - physiopathology ; Degenerative and inherited degenerative diseases of the nervous system. Leukodystrophies. Prion diseases ; Dementia ; Female ; Fluency ; Humans ; Male ; Medical sciences ; Middle Aged ; Neurology ; Neuropsychological Tests - statistics & numerical data ; Organic mental disorders. Neuropsychology ; Production ; Psychology. Psychoanalysis. Psychiatry ; Psychopathology. Psychiatry ; Schizophrenic Language ; Semantics ; Speech Production Measurement - methods ; Verbal Behavior - physiology
É parte de: Neuropsychologia, 2005, Vol.43 (11), p.1625-1632
Notas: ObjectType-Article-1
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Descrição: This study examined differences in the characteristics of words produced by healthy elderly controls and by patients with Alzheimer's disease (AD) in a semantic fluency task (generating words from the categories of animals and fruit). Ninety-six AD patients (MMSE 13–29) and 40 controls matched for age and socio-cultural background completed a semantic fluency task. Length, frequency, typicality and age of acquisition (AoA) values were obtained for each word generated. In comparison with controls, AD patients generated fewer items, and their items were higher in frequency, shorter in length, more typical and earlier in AoA. Discriminant function analysis showed that AoA was the best predictor of group membership (patient/control). The mean AoA of words generated correctly classified 95% of controls and 88% of patients.
Editor: Oxford: Elsevier Ltd
Idioma: Inglês

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The age of acquisition of words produced in a semantic fluency task can reliably differentiate normal from pathological age related cognitive decline

Forbes-McKay, Katrina E. ; Ellis, Andrew W. ; Shanks, Michael F. ; Venneri, Annalena

Oxford: Elsevier Ltd

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