A common mechanism in verb and noun naming deficits in Alzheimer’s patients  

Oleh:

Almor, Amit ; Aronoff, Justin M. ; MacDonald, Maryellen C. ; Gonnerman, Laura M. ; Kempler, Daniel ; Hintiryan, Houri ; Hayes, UnJa L. ; Arunachalam, Sudha ; Andersen, Elaine S.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Brain and Language (Full Text) vol. 111 no. 1 (2009), page 8-19.
Topik: Nouns; Verbs; Alzheimer’s; Semantic impairments; Category specific impairments; Picture naming
Fulltext: 111_01_Almor.pdf (636.13KB)

Isi artikel

We tested the ability of Alzheimer’s patients and elderly controls to name living and non-living nouns, and manner and instrument verbs. Patients’ error patterns and relative performance with different categories showed evidence of graceful degradation for both nouns and verbs, with particular domain-specific impairments for living nouns and instrument verbs. Our results support feature-based, semantic representations for nouns and verbs and support the role of inter-correlated features in noun impairment, and the role of noun knowledge in instrument verb impairment.

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