Assessing the link between speech perception and production through individual differences
London : International Phonetics Association
InWolters, M.; Livingstone, J.; Beattie, B. (ed.), Proceedings of the 18th International Congress of Phonetic Sciences
Article in monograph or in proceedings
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Wolters, M.; Livingstone, J.; Beattie, B. (ed.), Proceedings of the 18th International Congress of Phonetic Sciences
Subject110 007 PLUS: A neurocomputational model for the Processing of Linguistic Utterances based on the Unification-Space architecture; DI-BCB_DCC_Theme 1: Language and Communication; Psycholinguistics
This study aims to test a prediction of recent theoretical frameworks in speech motor control: if speech production targets are specified in auditory terms, people with better auditory acuity should have more precise speech targets. To investigate this, we had participants perform speech perception and production tasks in a counterbalanced order. To assess speech perception acuity, we used an adaptive speech discrimination task. To assess variability in speech production, participants performed a pseudo-word reading task; formant values were measured for each recording. We predicted that speech production variability to correlate inversely with discrimination performance. The results suggest that people do vary in their production and perceptual abilities, and that better discriminators have more distinctive vowel production targets, confirming our prediction. This study highlights the importance of individual differences in the study of speech motor control, and sheds light on speech production-perception interaction.
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