Speech motor learning changes the neural response to both auditory and somatosensory signals

Takayuki Ito 1, 2, * Joshua Coppola 1 David J Ostry 1, 3
* Auteur correspondant
2 GIPSA-PCMD - PCMD
GIPSA-DPC - Département Parole et Cognition
Abstract : In the present paper, we present evidence for the idea that speech motor learning is accompanied by changes to the neural coding of both auditory and somatosensory stimuli. Participants in our experiments undergo adaptation to altered auditory feedback, an experimental model of speech motor learning which like visuo-motor adaptation in limb movement, requires that participants change their speech movements and associated somatosensory inputs to correct for systematic real-time changes to auditory feedback. We measure the sensory effects of adaptation by examining changes to auditory and somatosensory event-related responses. We find that adaptation results in progressive changes to speech acoustical outputs that serve to correct for the perturbation. We also observe changes in both auditory and somatosensory event-related responses that are correlated with the magnitude of adaptation. These results indicate that sensory change occurs in conjunction with the processes involved in speech motor adaptation.
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Article dans une revue
Scientific Reports, Nature Publishing Group, 2016, 6, pp.25626. <10.1038/srep25926>
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Contributeur : Takayuki Ito <>
Soumis le : jeudi 19 mai 2016 - 11:50:03
Dernière modification le : dimanche 22 mai 2016 - 01:03:20

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Takayuki Ito, Joshua Coppola, David J Ostry. Speech motor learning changes the neural response to both auditory and somatosensory signals. Scientific Reports, Nature Publishing Group, 2016, 6, pp.25626. <10.1038/srep25926>. <hal-01318135>

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