Naming Consistency in Alzheimer's Disease  

Oleh:

Henderson, Victor W. ; Mack, Wendy ; Freed, David M. ; Kempler, Daniel ; Andersen, Elaine S.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Brain and Language (Full Text) vol. 39 no. 4 (Nov. 1990), page 530-538.
Fulltext: 39_04_Henderson_Mack_Freed_Kempler_Andersen.pdf (575.35KB)

Ketersediaan

Perpustakaan PKBB Nomor Panggil: 405/BAL/39 Non-tandon: tidak ada Tandon: 1

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Isi artikel

Although lexical semantic deficits are postulated to playa prominent role in the anomia of Alzheimer's disease, it is unclear whether the primary disturbance is one of lexical access or one of lexical semantic loss. Response consistency on a naming task is one means of evaluating the underlying source of naming impairment. Access dysfunction usually implies variable word-finding difficulty, while a theory of lexical loss predicts that many word names would be consistently unavailable. Nineteen Alzheimer's disease patients were administered a visual confrontation naming task (the Boston Naming Test) on two occasions 6 months apart. Eighty percent of errors occurred consistently at both times; only 20% of errors occurred on only one occasion. Response consistency occurred significantly more often than expected under the assumption of no response consistency. Findings support the hypothesis that anomia in Alzheimer's disease is in part due to a loss of lexical semantic information. @ 1990 Academic Press. Inc.

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