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Audiol > Volume 6(2); 2010 > Article
Audiology 2010;6(2): 173-177.
Published online: December 31, 2010.
doi: http://dx.doi.org/10.21848/audiol.2010.6.2.173
소리자극 특성이 전정유발근전위 잠복기에 미치는 영향
배미란1,2
1연세대의료원 안이병원 이비인후과 평형기능검사실
2한림대학교 언어청각학부
The Effect of Sound Stimulating Characteristic on Vestibular Evoked Myogenic Potentials (VEMPs)
Miran Bae1,2
1Clinic of Vestibular Function, Eye and Ear Hospital, Yonsei University, Seoul, Korea
2Division of Speech Pathology & Audiology, Hallym University, Chuncheon, Korea
Correspondence  Miran Bae ,Tel: (02) 2218-3515, Fax: (02) 2227-7875, Email: bae@yumc.yonsei.ac.kr
Received: August 1, 2010; Revised: December 1, 2010   Accepted: December 17, 2010.  Published online: December 31, 2010.
ABSTRACT
Vestibular Evoked Myogenic Potentials (VEMPs) are very widely used in diagnosis of the vestibular disorder. Since VEMPs is are under the influence of many variables, their clinical usefulness clinical usefulness has been controversially criticized. The aim of this study was to increase the reliability of test results by adjusting configurations. Here, thirty seven ears of healthy adults who do not have ontological problems were stimulated by different traits of sound, such as click and 500 Hz tone burst. Results were obtained by three times of repeated incubation and comparison of the latency p1, n1, and amplitude of each wave, was also analyzed. As a result of the test, the 500 Hz tone burst generated more stable and clearer waveforms than click; the most tests were repeated, the clearer results were.. Filtering range of the low-frequency region to change the latency was significantly delayed than high-frequency region even if sound stimulations are differenced. The results indicated that VEMPs can serve and effective tool in diagnosing the cause of dizziness in the vestibular system. However, the control of test settings and surrounding environments are crucial for accurate and reliable results of VEMPs. Further research is needed to establish VEMP testing processing
Key Words: Amplitude·Dizziness·Latency·Vestibular evoked myogenic potential.
중심단어: 어지럼증· 잠복기· 전정기관· 전정유발근전위 · 진폭.
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