Aero-tactile integration during speech perception: Effect of response and stimulus characteristics on syllable identification (2019)
Integration of auditory and aero-tactile information during speech perception has been documented during two-way closed-choice syllable classification tasks [Gick and Derrick (2009). Nature 462, 502–504], but not during an open-choice task using continuous speech perception [Derrick, O’Beirne, Gorden, De Rybel, Fiasson, and Hay (2016). J. Acoust. Soc. Am. 140(4), 3225]. This study was designed to compare audio-tactile integration during open-choice perception of individual syllables. In addition, this study aimed to compare the effects of place and manner of articulation. Thirty-four untrained participants identified syllables in both auditory-only and audio-tactile conditions in an open-choice paradigm. In addition, forty participants performed a closed-choice perception experiment to allow direct comparison between these two response-type paradigms. Adaptive staircases, as noted by Watson [(1983). Percept. Psychophys. 33(2), 113–120] were used to identify the signal-to-noise ratio for identification accuracy thresholds. The results showed no significant effect of air flow on syllable identification accuracy during the open-choice task, but found a bias towards voiceless identification of labials, and towards voiced identification of velars. Comparison of the open-choice results to those of the closed-choice task show a significant difference between both response types, with audio-tactile integration shown in the closed-choice task, but not in the open-choice task. These results suggest that aero-tactile enhancement of speech perception is dependent on response type demands. copyright 2019 Acoustical Society of America
CitationDerrick D, Madappallimattam J, Theys C (2019). Aero-tactile integration during speech perception: Effect of response and stimulus characteristics on syllable identification. The Journal of the Acoustical Society of America. 146(3). 1605-1614.
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ANZSRC Fields of Research47 - Language, communication and culture::4704 - Linguistics::470410 - Phonetics and speech science
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Derrick, Donald; Hansmann D; Haws Z; Theys C (2018)Behavioural audio-visual research has shown enhancement1 and interference2 in speech perception, as has behavioural audio-tactile research3. However, to date, we have not encountered any experimental behavioural research ...
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