The Effect of Short-Term Noise Exposure on Audiometric Thresholds, Distortion Product Otoacoustic Emissions, and Electrocochleography

Autor/inn/en	Lake, Alyson Butler; Stuart, Andrew
Titel	The Effect of Short-Term Noise Exposure on Audiometric Thresholds, Distortion Product Otoacoustic Emissions, and Electrocochleography
Quelle	In: Journal of Speech, Language, and Hearing Research, 62 (2019) 2, S.410-422 (13 Seiten) PDF als Volltext Verfügbarkeit
Sprache	englisch
Dokumenttyp	gedruckt; online; Zeitschriftenaufsatz
ISSN	1092-4388
Schlagwörter	Acoustics; Gender Differences; Audiology; Auditory Perception; Diagnostic Tests; Human Body + Suchen Sie Ihr Suchwort? Akustik; Geschlechterkonflikt; Audiologie; Auditive Wahrnehmung; Akustische Wahrnehmung; Diagnostic test; Diagnostischer Test; Menschlicher Körper
Abstract	Purpose: The purpose of the study was to examine the effect of short-term noise exposure on audiometric thresholds, distortion product otoacoustic emissions (DPOAEs), and electrocochleography (ECochG) as a function of ear and sex. Method: Preexposure and postexposure measures of audiometric thresholds, DPOAEs, and ECochG indices were examined. Sixteen male and 16 female adults participated. Participants were exposed to a 2000-Hz narrowband noise presented at 105 dBA for 10 min. Results: Following noise exposure, significantly ( p < 0.0001) larger auditory threshold differences were observed for left ears. Larger auditory threshold differences were also observed for 3000 and 4000 Hz versus 2000 and 6000 Hz. DPOAE absolute amplitude differences increased with decreasing L[subscript 1], L[subscript 2] level ( p < 0.0001). DPOAE absolute amplitude differences also significantly rose with increasing f 2 frequencies ( p < 0.0001). Females generally had larger DPOAE absolute amplitude differences than males ( p < 0.05). Summating potential amplitudes were significantly larger for female left ears following noise exposure ( p = 0.03). Left-ear summating potential/action potential amplitude ratios and summating potential/action potential area ratios were increased following noise exposure ( p < 0.05). Conclusions: Utilizing a test battery to examine the effects of short-term noise exposure can reveal the functional status of different structures in the cochlea. There appears to be a susceptibility of the left ear to short-term loud noise exposure. Findings with respect to a sex susceptibility to short-term loud noise exposure were not strong, as sex differences were only observed for a subset of the conditions. (As Provided).
Anmerkungen	American Speech-Language-Hearing Association. 2200 Research Blvd #250, Rockville, MD 20850. Tel: 301-296-5700; Fax: 301-296-8580; e-mail: slhr@asha.org; Web site: http://jslhr.pubs.asha.org
Erfasst von	ERIC (Education Resources Information Center), Washington, DC
Update	2020/1/01