Predictive entrainment of natural speech through two fronto-motor top-down channels

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
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 > Institute of Neuroscience and Psychology
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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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
597051Natural and modulated neural communication: State-dependent decoding and driving of human Brain Oscillations.Joachim GrossWellcome Trust (WELLCOTR)098433/Z/12/ZINP - CENTRE FOR COGNITIVE NEUROIMAGING
597911Natural and modulated neural communication: State-dependent decoding and driving of human Brain OscillationsGregor ThutWellcome Trust (WELLCOTR)098434/Z/12/ZINP - CENTRE FOR COGNITIVE NEUROIMAGING