Automatic and Volitional Semantic Processing in Aphasia.  

Oleh:

CHENERY, HELEN J. ; Murdoch, Bruce E. ; Ingram, John C.L.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Brain and Language (Full Text) vol. 38 no. 2 (Feb. 1990), page 215-232.
Fulltext: 38_02_Chenery_Ingram_Murdoch.pdf (987.03KB)

Ketersediaan

Perpustakaan PKBB Nomor Panggil: 405/BAL/38 Non-tandon: tidak ada Tandon: 1

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Isi artikel

The present study investigated the status of semantic information in aphasia by comparing the performances of aphasic and nonaphasic subjects on two tasks: an automatic semantic facilitation task and a volitional task of relatedness judgment. Both the aphasic and nonaphasic groups evidenced a semantic facilitation effect, in an on-line task of semantic processing. However, those aphasics with severe comprehension and naming disturbances (termed low comprehension aphasics) demonstrated considerable difficulty in judging the relatedness between a pictured object and members of that object's semantic field, the severity of the impairment being greater for those pictures that the low comprehension aphasics were unable to name. The pattern of results can best be explained by supposing the structural integrity of the store of semantic information in aphasia, and in particular in low comprehension aphasia: information that is retrieved and manipulated in judgment-mediated tasks with considerable difficulty. @ 1990 Academic Press, Inc.

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