Influence of gender on the vestibular evoked myogenic potential |
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| Authors: | Aline Tenório Lins Carnaúba Vanessa Vieira Farias Nastassia Santos Aline Cabral de Oliveira Renato Glauco de Souza Rodrigues Pedro de Lemos Menezes |
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| Affiliation: | 1. Speech therapist;2. Speech therapist;3. Undergraduate speech therapy student;4. Doctoral degree in otorhinolaryngology, USP. Professor at the Sergipe Federal University;5. Doctoral degree in physics applied to medicine and biology, USP. Professor at the Alagoas State University, UNCISAL;6. Doctoral degree in physics applied to medicine and biology, USP. Coordinator for human resources training in C&T, Alagoas State Research Foundation (Fundação de Amparo a Pesquisa do Estado de Alagoas or FAPEAL). Acoustics and Instrumentation Lab (Laboratório de Instrumentação e Acústica or LIA), Alagoas Health Science State University, UNCISAL |
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| Abstract: | There is no consensus on the relevance of factors that influence gender differences in the behavior of muscles. Some studies have reported a relationship between muscle tension and amplitude of the vestibular evoked myogenic potential; others, that results depend on which muscles are studied or on how much load is applied.AimsThis study aims to compare vestibular evoked myogenic potential parameters between genders in young individuals.MethodsEighty young adults were selected - 40 men and 40 women. Stimuli were averaged tonebursts at 500 Hz, 90 dBHL intensity, and a 10-1000 Hz bandpass filter with amplification of 10-25 microvolts per division. The recordings were made in 80 ms windows.Study typeAn experimental and prospective study.ResultsNo significant gender differences were found in wave latency - p = 0.19 and p = 0.50 for waves P13 and N23, respectively. No differences were found in amplitude values - p = 0.28 p = 0.40 for waves P13 and N23, respectively.ConclusionThere were no gender differences in latency and amplitude factors; the sternocleidomastoid muscle strain was monitored during the examination. |
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| Keywords: | evoked potentials auditory evoked potentials motor muscle tonus vestibule labyrinth |
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