Automatic processing of wh- and NP-movement in agrammatic aphasia: Evidence from eyetracking  

Oleh:

Dickey, Michael Walsh

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Journal of Neurolinguistics (Full Text) vol. 22 no. 6 (2009), page 563–583.
Topik: Aphasia Agrammatism Eyetracking Filler-gap dependencies NP-movement Sentence comprehension wh-movement
Fulltext: Dickey_Michael_Walsh.pdf (484.43KB)

Isi artikel

Individuals with agrammatic Broca’s aphasia show deficits in comprehension of non-canonical wh-movement and NP-movement sentences. Previous work using eyetracking has found that agrammatic and unimpaired listeners show very similar patterns of automatic processing for wh-movement sentences. The current study attempts to replicate this finding for sentences with wh-movement (in object relatives in the current study) and to extend it to sentences with NP-movement (passives). For wh-movement sentences, aphasic and control participants’ eye-movements differed most dramatically in late regions of the sentence and post-offset, with aphasic participants exhibiting lingering attention to a salient but grammatically impermissible competitor. The eye-movement differences between correct and incorrect trials for wh-movement sentenceswere similar, with incorrect trials also exhibiting competition from an impermissible interpretation late in the sentence. Furthermore, the two groups exhibited similar eye-movement patterns in response to passive NPmovement sentences, but showed little evidence of gap-filling for passives. The results suggest that aphasic and unimpaired individuals may generate similar representations during comprehension, but that aphasics are highly vulnerable to interference from alternative interpretations (Ferreira, F. (2003). The misinterpretation of noncanonical sentences. Cognitive Psychology, 47(2), 164–203).

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