Demonstrating a wordlikeness effect on nonword repetition performance in a conduction aphasic patient

Akie Saito, Takako Yoshimura, Tohru Itakura, Matthew A. Lambon Ralph

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    Abstract

    The purpose of this study was to identify the nature of the deficit for a conduction aphasic patient in order to evaluate two different theories of conduction aphasia. First, a conduction aphasic patient FS was tested on auditory word-pair discrimination, word-repetition, and picture-naming. The results of these tasks indicated that her deficit was likely to be post-lexical rather than perceptual or lexical. Next, we examined her repetition performance for two types of nonwords (high-wordlike and low-wordlike nonwords) to distinguish the two theories. FS exhibited a wordlikeness effect: she produced more correct moras and more correct combinations of moras for high-wordlike nonwords than low-wordlike nonwords. We conclude that she had difficulty in maintaining stable phonological representations of verbal materials in the output buffer. © 2002 Elsevier Science (USA). All rights reserved.
    Original languageEnglish
    Pages (from-to)222-230
    Number of pages8
    JournalBrain and Language
    Volume85
    Issue number2
    DOIs
    Publication statusPublished - May 2003

    Keywords

    • Aged
    • diagnosis: Aphasia, Conduction
    • Female
    • Human
    • Phonetics
    • Random Allocation
    • Severity of Illness Index
    • Speech Production Measurement
    • Verbal Behavior
    • Vocabulary

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