Files and links (2)
CC BY-NC-ND V4.0, Open Access
Journal article
Trait related sensorimotor deficits in people who stutter: An EEG investigation of mu rhythm dynamics during spontaneous fluency
NeuroImage clinical, Vol.19, pp.690-702
01/01/2018
PMCID: PMC5986168
PMID: 29872634
Abstract
Stuttering is associated with compromised sensorimotor control (i.e., internal modeling) across the dorsal stream and oscillations of EEG mu (mu) rhythms have been proposed as reliable indices of anterior dorsal stream processing. The purpose of this study was to compare mu rhythm oscillatory activity between (PWS) and matched typically fluent speakers (TFS) during spontaneously fluent overt and covert speech production tasks. Independent component analysis identified bilateral mu components from 24/27 PWS and matched TFS that localized over premotor cortex. Time-frequency analysis of the left hemisphere mu clusters demonstrated significantly reduced mu-alpha and mu-beta ERD (p(CLUSTER) < 0.05) in PWS across the time course of overt and covert speech production, while no group differences were found in the right hemisphere in any condition. Results were interpreted through the framework of State Feedback Control. They suggest that weak forward modeling and evaluation of sensory feedback across the time course of speech production characterizes the trait related sensorimotor impairment in PWS. This weakness is proposed to represent an underlying sensorimotor instability that may predispose the speech of PWS to breakdown.
Metrics
4 Record Views
Details
- Title
- Trait related sensorimotor deficits in people who stutter
- Creators
- David Jenson (Author)Kevin J. Reilly (Author) - Univ Tennessee, Hlth Sci Ctr, Dept Audiol & Speech Pathol, Knoxville, TN 37996 USAAshley Harkrider (Author) - Univ Tennessee, Hlth Sci Ctr, Dept Audiol & Speech Pathol, Knoxville, TN 37996 USADavid Thornton (Author) - Univ Tennessee, Hlth Sci Ctr, Dept Audiol & Speech Pathol, Knoxville, TN 37996 USATim Saltuklaroglu (Author) - Univ Tennessee, Hlth Sci Ctr, Dept Audiol & Speech Pathol, Knoxville, TN 37996 USA
- Publication Details
- NeuroImage clinical, Vol.19, pp.690-702
- Academic Unit
- Speech and Hearing Sciences, Department of
- Publisher
- Elsevier
- Number of pages
- 13
- Identifiers
- 99901007439701842
- Language
- English
- Resource Type
- Journal article