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Open AccessArticle

Characteristic of Stimulus Frequency Otoacoustic Emissions: Detection Rate, Musical Training Influence, and Gain Function

Department of Biomedical Engineering, School of Life Sciences, Tianjin Polytechnic University, Tianjin 300387, China
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Author to whom correspondence should be addressed.
Brain Sci. 2019, 9(10), 255; https://doi.org/10.3390/brainsci9100255
Received: 14 August 2019 / Revised: 18 September 2019 / Accepted: 25 September 2019 / Published: 26 September 2019
(This article belongs to the Section Cognitive Neuroscience)
Stimulus frequency otoacoustic emission (SFOAE) is an active acoustic signal emitted by the inner ear providing salient information about cochlear function and dysfunction. To provide a basis for laboratory investigation and clinical use, we investigated the characteristics of SFOAEs, including detection rate, musical training influence, and gain function. Sixty-five normal hearing subjects (15 musicians and 50 non-musicians, aged 16–45 years) were tested and analyzed at the probe level of 30 and 50 dB sound pressure levels (SPL) in the center frequency of 1 and 4 kHz in the study. The results indicate that (1) the detection rates of SFOAE are sensitive to the gender, (2) musicians reveal enhanced hearing capacity and SFOAE amplitudes compared with non-musicians, and (3) probe frequency has a significant effect on the compression threshold of SFOAE. Our findings highlight the importance of SFOAE in the clinical hearing screening and diagnosis and emphasize the use of musical training for the rehabilitation enhancement of the auditory periphery and hearing threshold. View Full-Text
Keywords: auditory plasticity; detection rate; gain function; musical training; stimulus frequency otoacoustic emissions auditory plasticity; detection rate; gain function; musical training; stimulus frequency otoacoustic emissions
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Wang, Y.; Qi, Z.; Yu, M.; Wang, J.; Chen, R. Characteristic of Stimulus Frequency Otoacoustic Emissions: Detection Rate, Musical Training Influence, and Gain Function. Brain Sci. 2019, 9, 255.

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