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Comprehending auditory speech: previous and potential contributions of functional MRI

Evans, S; McGettigan, C; (2017) Comprehending auditory speech: previous and potential contributions of functional MRI. Language, Cognition and Neuroscience , 32 (7) pp. 829-846. 10.1080/23273798.2016.1272703. Green open access

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Abstract

Functional neuroimaging revolutionised the study of human language in the late twentieth century, allowing researchers to investigate its underlying cognitive processes in the intact brain. Here, we review how functional MRI (fMRI) in particular has contributed to our understanding of speech comprehension, with a focus on studies of intelligibility. We highlight the use of carefully controlled acoustic stimuli to reveal the underlying hierarchical organisation of speech processing systems and cortical (a)symmetries, and discuss the contributions of novel design and analysis techniques to the contextualisation of perisylvian regions within wider speech processing networks. Within this, we outline the methodological challenges of fMRI as a technique for investigating speech and describe the innovations that have overcome or mitigated these difficulties. Focussing on multivariate approaches to fMRI, we highlight how these techniques have allowed both local neural representations and broader scale brain systems to be described.

Type: Article
Title: Comprehending auditory speech: previous and potential contributions of functional MRI
Open access status: An open access version is available from UCL Discovery
DOI: 10.1080/23273798.2016.1272703
Publisher version: http://dx.doi.org/10.1080/23273798.2016.1272703
Language: English
Additional information: Copyright © 2017 Informa UK Limited, trading as Taylor & Francis Group. This is an Accepted Manuscript of an article published by Taylor & Francis in Language, Cognition and Neuroscience on 9th January 2017, available online: http://www.tandfonline.com/10.1080/23273798.2016.1272703
Keywords: Speech, language, brain, fMRI, perception
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences > Institute of Cognitive Neuroscience
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences > Speech, Hearing and Phonetic Sciences
URI: http://discovery.ucl.ac.uk/id/eprint/1537022
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