Voxel-based morphometry of auditory and speech-related cortex in stutterers

Number 1468
Year 2007
Drawer 26
Entry Date 05/15/2008
Authors Beal, D.S., Gracco, V.L., Lafaille, S.J. & Nil, L.F.
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Publication NeuroReport, V. 18:No. 12, pp. 1257-1260.
url http://www.haskins.yale.edu/Reprints/HL1468.pdf
Abstract Stutterers demonstrate unique functional neural activation patterns during speech production, including reduced auditory activation, relative to nonstutterers. The extent to which these functional differences are accompanied by abnormal morphology of the brain in stutterers is unclear. This study examined the neuroanatomical differences in speech-related cortex between stutterers and nonstutterers using voxel-based morphometry. Results revealed significant differences in localized grey matter and white matter densities of left and right hemisphere regions involved in auditory processing and speech production.
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