The cortical activation effect of phonation on a motor task: A functional MRI study

Title
The cortical activation effect of phonation on a motor task: A functional MRI study
Author(s)
장성호이미영[이미영]권용현[권용현]박지원[박지원]최진호[최진호]손수민안상호조윤우
Keywords
WORKING-MEMORY TASK; CORTICOSPINAL EXCITABILITY; HAND MOTOR; SPEECH; GESTURE; CORTEX; FMRI; PERFORMANCE; RECOVERY; LANGUAGE
Issue Date
201006
Publisher
IOS PRESS
Citation
NEUROREHABILITATION, v.26, no.4, pp.325 - 329
Abstract
It is well-known that sound production can affect the motor system. We investigated whether a short, loud phonation affected cortical activation caused by a motor task using functional MRI. Fifteen right-handed healthy subjects were recruited for this study. We compared the cortical activation caused by the performance of a motor task (right hand grasp-release movements) to that caused by the performance of the motor task with phonation("ah" sound). We found that performance of the motor task with phonation resulted in less activation in the primary sensori-motor cortex than did the performance of the motor task alone. It seemed that phonation during the motor task enhanced the efficiency of cortical activation compared to that caused by the motor task alone.
URI
http://hdl.handle.net/YU.REPOSITORY/22357http://dx.doi.org/10.3233/NRE-2010-0569
ISSN
1053-8135
Appears in Collections:
의과대학 > 재활의학교실 > Articles
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