On the internal structure of phonetic categories: a progress report |
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Authors: | Joanne L. Miller |
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Affiliation: | Department of Psychology, Northeastern University, Boston, MA 02115, USA |
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Abstract: | There is growing evidence that phonetic categories have a rich internal structure, with category members varying systematically in category goodness. Our recent findings on this issue, which are summarized in this paper, underscore the existence and robustness of this structure and indicate further that the mapping between acoustic signal and internal category structure is complex: just as in the case of category boundaries, the best exemplars of a given category are highly dependent on acoustic-phonetic context and are specified by multiple properties of the speech signal. These findings suggest that the listener's representation of phonetic form preserves not only vategorical information, but also fine-grained information about the detailed acoustic-phonetic characteristics of the language. |
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