Park, H. , Thut, G. and Gross, J. (2020) Predictive entrainment of natural speech through two fronto-motor top-down channels. Language, Cognition and Neuroscience, 35(6), pp. 739-751. (doi: 10.1080/23273798.2018.1506589)
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Abstract
Natural communication between interlocutors is enabled by the ability to predict upcoming speech in a given context. Previously we showed that these predictions rely on a fronto-motor top-down control of low-frequency oscillations in auditory-temporal brain areas that track intelligible speech. However, a comprehensive spatio-temporal characterisation of this effect is still missing. Here, we applied transfer entropy to source-localised MEG data during continuous speech perception. First, at low frequencies (1–4 Hz, brain delta phase to speech delta phase), predictive effects start in left fronto-motor regions and progress to right temporal regions. Second, at higher frequencies (14–18 Hz, brain beta power to speech delta phase), predictive patterns show a transition from left inferior frontal gyrus via left precentral gyrus to left primary auditory areas. Our results suggest a progression of prediction processes from higher-order to early sensory areas in at least two different frequency channels.
Item Type: | Articles |
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Status: | Published |
Refereed: | Yes |
Glasgow Author(s) Enlighten ID: | Thut, Professor Gregor and Park, Dr Hyojin and Gross, Professor Joachim |
Authors: | Park, H., Thut, G., and Gross, J. |
College/School: | College of Medical Veterinary and Life Sciences > School of Psychology & Neuroscience |
Journal Name: | Language, Cognition and Neuroscience |
Publisher: | Informa UK Limited |
ISSN: | 2327-3798 |
ISSN (Online): | 2327-3801 |
Published Online: | 26 September 2018 |
Copyright Holders: | Copyright © 2018 The Authors |
First Published: | First published in Language, Cognition and Neuroscience 35(6):739-751 |
Publisher Policy: | Reproduced under a Creative Commons License |
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