The Influence of Phonological Context on the Sound Errors of a Speaker with Wernicke’s Aphasia  

Oleh:

Goldmann, Rachel E. ; Schwartz, Myrna F. ; Wilshire , Carolyn E.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Brain and Language (Full Text) vol. 78 no. 3 (2001), page 279-307.
Topik: aphasia; Wernicke’s aphasia; speech errors; context effects; anticipation; perseveration; chance baseline
Fulltext: 78_03_Goldmann.pdf (151.93KB)

Isi artikel

A corpus of phonological errors produced in narrative speech by a Wernicke’s aphasic speaker (R.W.B.) was tested for context effects using two new methods for establishing chance baselines. A reliable anticipatory effect was found using the second method, which estimated chance from the distance between phoneme repeats in the speech sample containing the errors. Relative to this baseline, error–source distances were shorter than expected for anticipations, but not perseverations. R.W.B.’s anticipation/perseveration ratio measured intermediate between a nonaphasic error corpus and that of a more severe aphasic speaker (both reported in Schwartz et al., 1994), supporting the view that the anticipatory bias correlates to severity. Finally, R.W.B’s anticipations favored word-initial segments, although errors and sources did not consistently share word or syllable position.

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