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KMID : 0361420070310010070
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Journal of Korean Academy of Rehabilitation Medicine
2007 Volume.31 No. 1 p.70 ~ p.77
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The Therapeutic Effect of Inhibitory Repetitive Transcranial Magnetic Stimulation on Right Inferior Frontal Gyrus in Subcortical Aphasia
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Lee Ji-Hun
Yoo Woo-Kyoung
Jung Kwang-Ik
Kim Dong-Hyun
Park Dong-Sik
Im Hyoung-June
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Abstract
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Objective: To investigate whether suppression of right inferior frontal gyrus (Broca’s homologue) by 1 Hz repetitive transcranial magnetic stimulation (rTMS) can improve speech recovery.
Methods: We applied low frequency rTMS on right Broca’s homologue twice a week for 6 weeks in eight subcortical aphasia patients who were 3 months to 3 years poststroke onset. They were tested with Korean Version-Western Aphasia Battery before and after procedure. Also, they were tested with Parallel Short Forms for the Korean-BostonNaming Test and Animal Naming Test serially for outcome measure. rTMS was performed with intensity of 80% of motor threshold for 10 min (600 pulses) at 1 Hz frequency.
Results: Significant improvement was observed in picture naming at post-rTMS only in nonfluent aphasia patients but not in fluent aphasia patients.
Conclusion: rTMS may provide a novel treatment for aphasia by possibly modulating the distributed, bi-hemispheric language network.
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KEYWORD
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rTMS, Subcortical Aphasia, Inferior fromtal lobe, Bi-hemispheric language network
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