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 Georg Herman Monrad-Krohn (1884-1964) Norwegian neurologist who presented landmark case of the foreign accent syndrome |
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Children's speech clearly sounds different than speech produced by adults. Nevertheless, children are understandable most of the time. This research focuses on how children's vowels differ from those produced by adults, and what effect these acoustic features have on perception. We are particularly interested in vowel-inherent spectral change (VISC) and how such patterns change during development. |
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Are there age-dependent differences in the patterns of gestural overlap used to produce speech sounds? We examine this issue with (1) direct kinematic recording of lips, tongue, and jaw; (2) spectral and durational analyses of talkers' productions; (3) perceptual tests which examine the extent to which coarticulatory information can be perceived by normal adult listeners. |
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| Healthy talkers immediately compensate for the displacement of an articulator during vowel production. This form of motor equivalence is an important feature of the human speech production system. By examining how normal and brain-damaged subjects speak while holding a small 'bite block' between the teeth, it is possible to learn more about the neurological and functional organization of speech motor control. | |
More information - UTD Callier Center Speech Production Laboratory |
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