A real-time approach to spoken language processing in Aphasia  

Oleh:

Metz-Lutz, Marie-Noelle ; Brock, Gilbert ; Wioland, Francois

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Brain and Language (Full Text) vol. 43 no. 4 (Nov. 1992), page 565-582.
Fulltext: 43_04_Metz-Lutz_Wioland_Brock.pdf (1.03MB)

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Perpustakaan PKBB Nomor Panggil: 405/BAL/43 Non-tandon: tidak ada Tandon: 1

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Isi artikel

The study is based on an on-line investigation of spoken language comprehension processes in 25 French-speaking aphasics using a syllable-monitoring task. Nonsense syllables were presented in three different conditions: context-free (embedded in strings of nonsense syllables), lexical context (where the target nonsense syllable is the initial, medial, or final syllable of real three-syllable words), and sentence context. This study builds on an earlier one that explored the relationship between the acoustic-phonetic, lexical, and sentential levels of spoken language processing in French-speaking normals and gave evidence of top-down lexical and sentential influence on syllable recognition. In the present study, aphasic patients from various diagnostic categories were classified as high (N = 13) or low (N = 12) comprehenders. The results show that low comprehending aphasics make no use of sentence information in the syllable-recognition task. As for top-down lexical influence, neither of the two aphasic groups demonstrates the strong context effect at the single word level that is observed in normal listeners. However, a subgroup analysis shows that the Broca's are the only high comprehending aphasics who perform in the same way as normal listeners; this sets them apart from the anomies and conduction aphasics. @ 1992 Academic Press, Inc.

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