Multifrequency Analysis of Masseter Vestibular Evoked Myogenic Potentials in Young Adults.
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| Title: | Multifrequency Analysis of Masseter Vestibular Evoked Myogenic Potentials in Young Adults. |
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| Authors: | Arkadi, Mugdha1, Neupane, Anuj Kumar1 anujkneupane@gmail.com |
| Source: | American Journal of Audiology. Dec2023, Vol. 32 Issue 4, p843-852. 10p. |
| Subject Terms: | *Comparative studies, *Audiometry, *Data analysis, Auditory evoked response, Vestibular nerve, Statistics, Masseter muscle, Impedance audiometry, Mann Whitney U Test, Audiometric equipment, Descriptive statistics, Acoustic stimulation, Data analysis software, Friedman test (Statistics), Electromyography |
| Abstract: | Purpose: The purpose of this study was to explore the dynamics of multifrequency tone bursts on the masseter vestibular evoked myogenic potential (mVEMP) parameters. Furthermore, it sought to determine the optimal frequency tuning of mVEMP responses. Method: Twenty young adults with normal hearing sensitivity participated in the study. Bilateral tone burst evoked mVEMPs were obtained using the zygomatic montage at 250-, 500-, 750-, 1000-, 1500-, and 2000-Hz stimulation frequencies. Self-monitoring biofeedback was given during the procedure to confirm the tension of the masseter muscle between 49.9 and 150.6 rms. Furthermore, the electromyography (EMG) scaling was done to avoid any muscle-related irregularities. Results: Tone burst evoked mVEMPs were found to be 100% present at the stimulation frequencies of 250, 500, 750, and 1000 Hz. There were no ear and gender effects seen for any of the frequencies. Significant shortening of the P1 and N1 latencies with increasing stimulation frequencies was observed. The peak-to-peak amplitude was the highest at 500 Hz and lowest at 2000 Hz tone bursts under both EMG scaled and unscaled conditions. Conclusion: The present revealed higher response rates and larger amplitudes study of mVEMP at lower frequencies, and, therefore, the frequency tuning was seen for the stimulation frequency at 500 Hz. [ABSTRACT FROM AUTHOR] |
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| Database: | Education Research Complete |
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