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    Contingent categorization in speech perception

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    Jongman_2014.pdf (425.1Kb)
    Issue Date
    2014
    Author
    Apfelbaum, Keith S.
    Bullock-Rest, Natasha
    Rhone, Ariane E.
    Jongman, Allard
    McMurray, Bob
    Publisher
    Taylor & Francis
    Type
    Article
    Article Version
    Scholarly/refereed, author accepted manuscript
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    Abstract
    The speech signal is notoriously variable, with the same phoneme realized differently depending on factors like talker and phonetic context. Variance in the speech signal has led to a proliferation of theories of how listeners recognize speech. A promising approach, supported by computational modeling studies, is contingent categorization, wherein incoming acoustic cues are computed relative to expectations. We tested contingent encoding empirically. Listeners were asked to categorize fricatives in CV syllables constructed by splicing the fricative from one CV syllable with the vowel from another CV syllable. The two spliced syllables always contained the same fricative, providing consistent bottom-up cues; however on some trials, the vowel and/or talker mismatched between these syllables, giving conflicting contextual information. Listeners were less accurate and slower at identifying the fricatives in mismatching splices. This suggests that listeners rely on context information beyond bottom-up acoustic cues during speech perception, providing support for contingent categorization.
    Description
    This is an Accepted Manuscript of an article published by Taylor & Francis in Language Cognition and Neuroscience in 2014, available online: http://www.tandfonline.com/10.1080/01690965.2013.824995.
    URI
    http://hdl.handle.net/1808/24554
    DOI
    https://doi.org/10.1080/01690965.2013.824995
    Collections
    • Linguistics Scholarly Works [84]
    Citation
    Apfelbaum, K. S., Bullock-Rest, N., Rhone, A. E., Jongman, A., & McMurray, B. (2014). Contingent categorization in speech perception. Language, Cognition and Neuroscience, 29(9), 1070–1082. http://doi.org/10.1080/01690965.2013.824995

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    Lawrence, KS 66045
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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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