Representational Similarity Analysis Reveals Heterogeneous Networks Supporting Speech Motor Control

Zane Zheng, Rhodri Cusack, Ingrid Johnsrude, Ewen MacDonald, Kevin Munhall, Alejandro Vicente-Grabovetsky

Research output: Contribution to conferencePosterResearchpeer-review

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Abstract

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
Publication statusPublished - 2012
Event18th Annual Meeting of the Organization for Human Brain Mapping - China National Convention Center , Beijing, China
Duration: 10 Jun 201214 Jun 2012

Conference

Conference18th Annual Meeting of the Organization for Human Brain Mapping
LocationChina National Convention Center
CountryChina
CityBeijing
Period10/06/201214/06/2012

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