Competitive Inhibition Models of Lexical–Semantic Processing: Experimental Evidence  

Oleh:

Gurd, J. M. ; Oliveira, R. M.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Brain and Language (Full Text) vol. 54 no. 3 (1996), page 414-433.
Fulltext: 54_03_Gurd.pdf (107.99KB)

Isi artikel

A modified Neisser word-search (search II) was administered to patients with Parkinson’s disease (PD), and significant deficits were found. Given the assumption that the processes are lexical, we interpret the results as support for the claim that there is competition between semantically related words in speech production (Wheeldon, 1989). A related verbal task-switching experiment (continuous series II) is also presented. Although PDs are impaired on task switching, there are double dissociations between verbal task switching (continuous series II) and lexical retrieval (search II). The relationship between performance on these tasks and on verbal fluency is also addressed.

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