Discrimination of Multiple Coronal Stop Contrasts in Wubuy (Australia): A Natural Referent Consonant Account

Native speech perception is generally assumed to be highly efficient and accurate. Very little research has, however, directly examined the limitations of native perception, especially for contrasts that are only minimally differentiated acoustically and articulatorily. Here, we demonstrate that nat...

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Main Authors: Bundgaard-Nielsen, R., Baker, B., Kroos, Christian, Harvey, M., Best, C.
Format: Journal Article
Published: Public Library of Science 2015
Online Access:http://hdl.handle.net/20.500.11937/34758
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author Bundgaard-Nielsen, R.
Baker, B.
Kroos, Christian
Harvey, M.
Best, C.
author_facet Bundgaard-Nielsen, R.
Baker, B.
Kroos, Christian
Harvey, M.
Best, C.
author_sort Bundgaard-Nielsen, R.
building Curtin Institutional Repository
collection Online Access
description Native speech perception is generally assumed to be highly efficient and accurate. Very little research has, however, directly examined the limitations of native perception, especially for contrasts that are only minimally differentiated acoustically and articulatorily. Here, we demonstrate that native speech perception may indeed be more difficult than is often assumed, where phonemes are highly similar, and we address the nature and extremes of consonant perception. We present two studies of native and non-native (English) perception of the acoustically and articulatorily similar four-way coronal stop contrast /t ? t ??/ (apicoalveolar, apico-retroflex, lamino-dental, lamino-alveopalatal) of Wubuy, an indigenous language of Australia. The results show that all listeners find contrasts involving /?/ easy to discriminate, but that, for both groups, contrasts involving /t ? t/? are much harder.Where the two groups differ, the results largely reflect native language (Wubuy vs English) attunement as predicted by the Perceptual Assimilation Model [1, 2, 3]. We also observe striking perceptual asymmetries in the native listeners' perception of contrasts involving the latter three stops, likely due to the differences in input frequency. Such asymmetries have not previously been observed in adults, and we propose a novel Natural Referent Consonant Hypothesis to account for the results.
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spelling curtin-20.500.11937-347582017-01-30T13:45:32Z Discrimination of Multiple Coronal Stop Contrasts in Wubuy (Australia): A Natural Referent Consonant Account Bundgaard-Nielsen, R. Baker, B. Kroos, Christian Harvey, M. Best, C. Native speech perception is generally assumed to be highly efficient and accurate. Very little research has, however, directly examined the limitations of native perception, especially for contrasts that are only minimally differentiated acoustically and articulatorily. Here, we demonstrate that native speech perception may indeed be more difficult than is often assumed, where phonemes are highly similar, and we address the nature and extremes of consonant perception. We present two studies of native and non-native (English) perception of the acoustically and articulatorily similar four-way coronal stop contrast /t ? t ??/ (apicoalveolar, apico-retroflex, lamino-dental, lamino-alveopalatal) of Wubuy, an indigenous language of Australia. The results show that all listeners find contrasts involving /?/ easy to discriminate, but that, for both groups, contrasts involving /t ? t/? are much harder.Where the two groups differ, the results largely reflect native language (Wubuy vs English) attunement as predicted by the Perceptual Assimilation Model [1, 2, 3]. We also observe striking perceptual asymmetries in the native listeners' perception of contrasts involving the latter three stops, likely due to the differences in input frequency. Such asymmetries have not previously been observed in adults, and we propose a novel Natural Referent Consonant Hypothesis to account for the results. 2015 Journal Article http://hdl.handle.net/20.500.11937/34758 Public Library of Science restricted
spellingShingle Bundgaard-Nielsen, R.
Baker, B.
Kroos, Christian
Harvey, M.
Best, C.
Discrimination of Multiple Coronal Stop Contrasts in Wubuy (Australia): A Natural Referent Consonant Account
title Discrimination of Multiple Coronal Stop Contrasts in Wubuy (Australia): A Natural Referent Consonant Account
title_full Discrimination of Multiple Coronal Stop Contrasts in Wubuy (Australia): A Natural Referent Consonant Account
title_fullStr Discrimination of Multiple Coronal Stop Contrasts in Wubuy (Australia): A Natural Referent Consonant Account
title_full_unstemmed Discrimination of Multiple Coronal Stop Contrasts in Wubuy (Australia): A Natural Referent Consonant Account
title_short Discrimination of Multiple Coronal Stop Contrasts in Wubuy (Australia): A Natural Referent Consonant Account
title_sort discrimination of multiple coronal stop contrasts in wubuy (australia): a natural referent consonant account
url http://hdl.handle.net/20.500.11937/34758