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A Non-invasive Method to Assess Tensor Tympani Muscle Contraction in Response to Tactile Stimulation.
Oğuz Yılmaz1, Şeyma Tuğba Öztürk1, Sümeyra Yaman1
1Department of Audiology, İstanbul Medipol University Faculty of Health Sciences, İstanbul, Turkey.
The Journal of International Advanced Otology
|May 24, 2022
Summary
Tactile stimulation on the forehead offers a non-invasive method to assess tensor tympani muscle activity. This technique aids in evaluating the muscle
Area of Science:
- Otolaryngology
- Neuroscience
- Physiology
Background:
- The precise function of the tensor tympani muscle remains unclear, lacking a standardized testing procedure.
- Understanding tensor tympani muscle function is crucial for otological diagnostics and treatment.
Purpose of the Study:
- To investigate the impact of tactile stimulation on tensor tympani muscle activity.
- To evaluate the functional status of the tensor tympani muscle using a novel, non-invasive method.
Main Methods:
- Twenty healthy adults (18-30 years) underwent otoscopy, audiometry, and tympanometry.
- Tensor tympani muscle activity was assessed using a modified reflex decay paradigm.
- Tactile stimulation was applied via thumb tapping on various forehead regions.
Main Results:
- Tactile stimulation did not significantly alter reflex decay recordings in humans or cadavers.
- No significant differences were observed across ears, stimulation frequencies, or successive stimuli.
- Observed changes in reflex decay suggest tensor tympani muscle involvement, aligning with prior research.
Conclusions:
- Forehead tactile stimulation presents a non-invasive approach for assessing tensor tympani muscle contraction.
- This method can aid otologists in decision-making processes related to tensor tympani muscle function.
