Auditory and somatosensory goals for sibilants.

Auditory and somatosensory goals for sibilants. Research Abstract Details 

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Auditory and somatosensory goals for sibilants. Abstract Text:

In prior studies [JSLHR 47, 1259-69, 2004; JASA 116, 2338-44, 2004], we found that speakers' auditory acuity for synthetic sibilant (s, sh) and vowel stimuli was correlated with the degree of acoustic contrast they produced. This outcome is consistent with the view that the articulatory movements underlying phonemic contrasts have auditory goals. There was also a cross-speaker relation between sibilant contrast and use of contact between the tongue tip and lower alveolar ridge for s (but not sh), indicating that such contact is a somatosensory goal for s. In the current study, another, larger group of subjects also showed relations between measures of auditory acuity and acoustic contrast for sibilants and vowels. To determine whether the idea of a somatosensory goal for s would also be supported by a relation between acuity and contrast, we made measurements of somatosensory discrimination. Small plastic (JVP) domes with grooves of different spacing were pressed against each subject's tongue tip and the subject was asked to identify one of four possible orientations of the grooves. A wide range of individual performance was observed with a bias-corrected sensitivity measure. Correlations with produced sibilant contrast and further analyses will be reported. [Research supported by NIDCD, NIH.].

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Auditory and somatosensory goals for sibilants. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: The Journal of the Acoustical Society of America

VOLUME: 123

Page Numbers: 3459

Journal Abbreviation: J. Acoust. Soc. Am.

ISSN: 1520-8524

DAY: 5

MONTH: May

YEAR: 2008

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LANGUAGE: eng

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AFFILIATION: Massachusetts Institute of Technology, Research Laboratory of Electronics, Room 36-511, 50 Vassar St., Cambridge, MA 02139-4307, USA, perkell@mit.edu.

Country: United States

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MEDLINETA: J Acoust Soc Am

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