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KMID : 0361419920160020168
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Journal of Korean Academy of Rehabilitation Medicine
1992 Volume.16 No. 2 p.168 ~ p.174
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Conduction Study of Facial Nerve using Trascranial Magnetic Stimulation
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Abstract
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Conduction Study of Facial Nerve using Transcranial Magnetic Stimulation
The coil of magnetic stimulator was located so that its center was 3 cm posterior and 6 cm lateral to the vertex. Responses where recorded on nasalis muscle. The mean latency of responses was 4.5±0.45msec. The mean difference between the sides,
0.26±0.23 msec, was stastistivally not significant(p>0.05).
On stylomastoid foramen stimulation, there were no significant differences differences between latencies of magnetically induced responses and those of electrically induced ones. But the electric stiumlation was more comfortable, and elecited
more
sharp
waves.
Also twelve cases with Bell's palsy were examined using this method. The studies for 2 acute patients, which did not revealed any abnormalities on conventional electrodiagnostic study, showed definite evidence of conduction defects on
transcranial
magnetic stimulation.
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KEYWORD
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