The Journal of Korean Physical Therapy

The Korean Society of Physical Therapy (대한물리치료학회)
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Change of activation of the supplementary motor area in motor learning: an fMRI case study

운동학습에 따른 대뇌 보조운동영역의 활성화 변화: fMRI 사례연구

  • Park, Min-Chull (Department of Physical Therapy, College of Health Sciences, Catholic University of Pusan) ;
  • Bae, Sung-Soo (Department of Physical Therapy, College of Rehabilitation Science, Daegu University) ;
  • Lee, Mi-Young (Department of Physical Therapy, College of Health & Therapy, Daegu haany University)
  • 박민철 (부산가톨릭대학교 보건과학대학 물리치료학과) ;
  • 배성수 (대구대학교 재활과학대학 물리치료학과) ;
  • 이미영 (대구한의대학교 보건치료대학 물리치료학과)
  • Received : 2011.03.08
  • Accepted : 2011.04.05
  • Published : 2011.04.25
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Abstract

Purpose: The contribution of the supplementary motor area (SMA) to the control of voluntary movement has been revealed. We investigated the changesin the SMA for motor learning of the reaching movement in stroke patient using functional MRI. Methods: The subject was a right-handed 55 year-old woman with left hemiparesis due to an intracerebral hemorrhage. She performed reaching movement during fMRI scanning before and after reaching training in four weeks. The motor assessment scale and surface EMG were used to evaluate the paretic upper limb function and muscle activation. Results: In the fMRI result, contralateral primary sensorimotor cortex (SM1) was activated before and after training. SMA was only activated after training. In addition, muscle activation of the paretic upper limb was similar to that of the unaffected upper limb after training. Conclusion: These findings suggest SMA is related to the execution of a novel movement pattern resulting in motor learning in stroke patients.

Keywords

References

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