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  Evidence for cerebellar contributions to adaptive plasticity in speech perception

Guediche, S., Holt, L. L., Laurent, P., Lim, S.-J., & Fiez, J. A. (2015). Evidence for cerebellar contributions to adaptive plasticity in speech perception. Cerebral Cortex, 25(7), 1867-1877. doi:10.1093/cercor/bht428.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0028-FC8D-D Version Permalink: http://hdl.handle.net/21.11116/0000-0003-7959-2
Genre: Journal Article

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 Creators:
Guediche, Sara1, 2, 3, Author
Holt, Lori L.1, 2, 4, Author
Laurent, Patryk1, 2, 5, Author
Lim, Sung-Joo2, 4, 6, Author              
Fiez, Julie A.1, 2, 7, Author
Affiliations:
1Center for Neuroscience, University of Pittsburgh, PA, USA, ou_persistent22              
2Center for the Neural Basis of Cognition, University of Pittsburgh, PA, USA, ou_persistent22              
3Cognitive, Linguistic and Psychological Sciences, Brown University, Providence, RI, USA, ou_persistent22              
4Department of Psychology, Carnegie Mellon University, Pittsburgh, PA, USA, ou_persistent22              
5Brain Corporation, San Diego, CA, USA, ou_persistent22              
6Max Planck Research Group Auditory Cognition, MPI for Human Cognitive and Brain Sciences, Max Planck Society, Leipzig, DE, ou_751545              
7Department of Psychology, University of Pittsburgh, PA, USA, ou_persistent22              

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Free keywords: Adaptation; Cerebellum; fMRI; Perceptual learning; Supervised learning
 Abstract: Human speech perception rapidly adapts to maintain comprehension under adverse listening conditions. For example, with exposure listeners can adapt to heavily accented speech produced by a non-native speaker. Outside the domain of speech perception, adaptive changes in sensory and motor processing have been attributed to cerebellar functions. The present functional magnetic resonance imaging study investigates whether adaptation in speech perception also involves the cerebellum. Acoustic stimuli were distorted using a vocoding plus spectral-shift manipulation and presented in a word recognition task. Regions in the cerebellum that showed differences before versus after adaptation were identified, and the relationship between activity during adaptation and subsequent behavioral improvements was examined. These analyses implicated the right Crus I region of the cerebellum in adaptive changes in speech perception. A functional correlation analysis with the right Crus I as a seed region probed for cerebral cortical regions with covarying hemodynamic responses during the adaptation period. The results provided evidence of a functional network between the cerebellum and language-related regions in the temporal and parietal lobes of the cerebral cortex. Consistent with known cerebellar contributions to sensorimotor adaptation, cerebro-cerebellar interactions may support supervised learning mechanisms that rely on sensory prediction error signals in speech perception.

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Language(s): eng - English
 Dates: 2014-01-222015-07
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1093/cercor/bht428
PMID: 24451660
PMC: PMC4481605
Other: Epub 2014
 Degree: -

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Title: Cerebral Cortex
Source Genre: Journal
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Publ. Info: New York, NY : Oxford University Press
Pages: - Volume / Issue: 25 (7) Sequence Number: - Start / End Page: 1867 - 1877 Identifier: ISSN: 1047-3211
CoNE: /journals/resource/954925592440