Please say what this word is-Vowel-extrinsic normalization in the sensorimotor control of speech

Journal of Experimental Psychology. Human Perception and Performance
Nicolas J BourguignonDouglas M Shiller

Abstract

The extent to which the adaptive nature of speech perception influences the acoustic targets underlying speech production is not well understood. For example, listeners can rapidly accommodate to talker-dependent phonetic properties-a process known as vowel-extrinsic normalization-without altering their speech output. Recent evidence, however, shows that reinforcement-based learning in vowel perception alters the processing of speech auditory feedback, impacting sensorimotor control during vowel production. This suggests that more automatic and ubiquitous forms of perceptual plasticity, such as those characterizing perceptual talker normalization, may also impact the sensorimotor control of speech. To test this hypothesis, we set out to examine the possible effects of vowel-extrinsic normalization on experimental subjects' interpretation of their own speech outcomes. By combining a well-known manipulation of vowel-extrinsic normalization with speech auditory-motor adaptation, we show that exposure to different vowel spectral properties subsequently alters auditory feedback processing during speech production, thereby influencing speech motor adaptation. These findings extend the scope of perceptual normalization processes to in...Continue Reading

Citations

Sep 27, 2016·Cognitive Science·Matthew Lehet, Lori L Holt
Jun 20, 2019·Journal of Neurophysiology·Ayoub Daliri, Jonathan Dittman
Apr 11, 2019·Frontiers in Human Neuroscience·Sara-Ching ChaoAyoub Daliri
Feb 7, 2018·Brain and Language·Marc Sato, Douglas M Shiller
Oct 22, 2021·PloS One·Abigail R Bradshaw, Carolyn McGettigan

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