Representational Similarity Analysis Reveals Heterogeneous Networks Supporting Speech Motor Control

Publication: Research - peer-reviewPoster – Annual report year: 2012

Documents

  • Author: Zheng, Zane, Canada

    Queen's University, Kingston, Canada

  • Author: Cusack, Rhodri, United Kingdom

    Medical Research Council Cognition and Brain Sciences Unit, United Kingdom

  • Author: Johnsrude, Ingrid , Canada

    Queen's University, Kingston, Canada

  • Author: MacDonald, Ewen

    Hearing Systems, Department of Electrical Engineering, Technical University of Denmark, Ørsteds Plads, 2800, Kgs. Lyngby, Denmark

  • Author: Munhall, Kevin, Canada

    Queen's University, Kingston, Canada

  • Author: Vicente-Grabovetsky, Alejandro, United Kingdom

    Medical Research Council Cognition and Brain Sciences Unit, United Kingdom

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The everyday act of speaking involves the complex processes of speech motor control. One important feature of such control is regulation of articulation when auditory concomitants of speech do not correspond to the intended motor gesture. While theoretical accounts of speech monitoring posit multiple functional components required for detection of errors in speech planning (e.g., Levelt, 1983), neuroimaging studies generally indicate either single brain regions sensitive to speech production errors, or small, discrete networks. Here we demonstrate that the complex system controlling speech is supported by a complex neural network that is involved in linguistic, motoric and sensory processing. With the aid of novel real-time acoustic analyses and representational similarity analyses of fMRI signals, our data show functionally differentiated networks underlying auditory feedback control of speech.
Original languageEnglish
Publication date2012
Number of pages3
StatePublished

Conference

Conference18th Annual Meeting of the Organization for Human Brain Mapping
CountryChina
CityBeijing
Period10/06/1214/06/12
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