Beatboxers and guitarists engage sensorimotor regions selectively when listening to the instruments they can play

Krishnan, S., Lima, C., Evans, S., Chen, S., Guldner, S., Yeff, H., Manly, T. and Scott, S. 2018. Beatboxers and guitarists engage sensorimotor regions selectively when listening to the instruments they can play. Cerebral Cortex. 28 (11), pp. 4063-4079. doi:10.1093/cercor/bhy208

TitleBeatboxers and guitarists engage sensorimotor regions selectively when listening to the instruments they can play
TypeJournal article
AuthorsKrishnan, S., Lima, C., Evans, S., Chen, S., Guldner, S., Yeff, H., Manly, T. and Scott, S.
Abstract

Studies of classical musicians have demonstrated that expertise modulates neural responses during auditory perception. However, it remains unclear whether such expertise-dependent plasticity is modulated by the instrument that a musician plays. To examine whether the recruitment of sensorimotor regions during music perception is modulated by instrument-specific experience, we investigated non-classical musicians – beatboxers, who predominantly use their vocal apparatus to produce sound, and guitarists, who use their hands. We contrast fMRI activity in 20 beatboxers, 20 guitarists, and 20 non-musicians as they listen to novel beatboxing and guitar pieces. All musicians show enhanced activity in sensorimotor regions (IFG, IPC and SMA), but only when listening to the musical instrument they can play. Using independent component analysis, we find expertise-selective enhancement in sensorimotor networks, which are distinct from changes in attentional networks. These findings suggest that long-term sensorimotor experience facilitates access to the posterodorsal “how” pathway during auditory processing.

Keywordsauditory perception, dorsal stream, expertise, fMRI, musician
JournalCerebral Cortex
Journal citation28 (11), pp. 4063-4079
ISSN1047-3211
Year2018
PublisherOxford University Press
Publisher's versionbhy208.pdf
Digital Object Identifier (DOI)doi:10.1093/cercor/bhy208
Publication dates
Published online31 Aug 2018
Published in print01 Nov 2018
LicenseCC BY 4.0

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