A COMPARATIVE STUDY ON THE CONTRALATERAL SUPPRESSION EFFECTS OF ACOUSTIC STIMULATIONS ON OTOACOUSTIC EMISSIONS

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EBRAHIMI A.A.; AHMADI M.; FAGHIHZADEH S.; SALIM POUR Y.; ZONOOZI R.

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Journal: Archives of Rehabilitation (Journal of Rehabilitation) Year:2004 | Volume:5 | Issue:3 (18) Page(s): 13-19

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Title

A COMPARATIVE STUDY ON THE CONTRALATERAL SUPPRESSION EFFECTS OF ACOUSTIC STIMULATIONS ON OTOACOUSTIC EMISSIONS

Author(s)

Keywords

TONE BURST EVOKED OTOACOUSTIC EMISSIONSQ4

CONTRALATERAL SUPPRESSIONQ4

OLIVOCOCHLEAR BUNDLEQ4

Abstract

Objective: Acoustic stimulation of auditory efferent system causes contralateral shift in the OAEs amplitude. In this study the CONTRALATERAL SUPPRESSION effect of pure tone & NBN at center frequencies of 1, 2 & 4 kHz Frequencies has been evaluated in the right ears of normal 19 to 27 years old adults. Materials & Methods: The data were elicited from 37 subjects (15 males & 22 females) with normal hearing who participated in this study. After determining the level of NBN by loudness adjustment between pure tone at 70 dBHL at 1, 2 & 4 kHz in left ear, EOAEs was measured using tone burst at central frequencies of 1,2 & 4 kHz in right ear. Then the amplitude shift of TBEOAEs was evaluated at the presence of contralateral pure tone & NBN stimuli. Results: There was a significant shift in the amplitude of TBEOAEs by contralateral stimulation of pure tone & NBN which was greater in NBN. The magnitude of amplitude shift was become greater at high frequencies of contralateral stimuli. Conclusion: There was a decrease in the amplitude of TBEOAEs by contralateral stimulation and the stimulus with greater frequency band had greater effects on CONTRALATERAL SUPPRESSION. The impact of this effect was highly depend on the spectrum & frequency of contralateral stimuli.

Cites

THE EFFECT OF LEARNING DISABILITY ON CONTRALATERAL SUPPRESSION OF OTOACOUSTIC EMISSIONS IN PRIMARY STUDENTS

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APA: Copy

EBRAHIMI, A.A., AHMADI, M., FAGHIHZADEH, S., SALIM POUR, Y., & ZONOOZI, R.. (2004). A COMPARATIVE STUDY ON THE CONTRALATERAL SUPPRESSION EFFECTS OF ACOUSTIC STIMULATIONS ON OTOACOUSTIC EMISSIONS . ARCHIVES OF REHABILITATION (JOURNAL OF REHABILITATION), 5(3 (18)), 13-19. SID. https://sid.ir/paper/43247/en

Vancouver: Copy

EBRAHIMI A.A., AHMADI M., FAGHIHZADEH S., SALIM POUR Y., ZONOOZI R.. A COMPARATIVE STUDY ON THE CONTRALATERAL SUPPRESSION EFFECTS OF ACOUSTIC STIMULATIONS ON OTOACOUSTIC EMISSIONS . ARCHIVES OF REHABILITATION (JOURNAL OF REHABILITATION)[Internet]. 2004;5(3 (18)):13-19. Available from: https://sid.ir/paper/43247/en

IEEE: Copy

A.A. EBRAHIMI, M. AHMADI, S. FAGHIHZADEH, Y. SALIM POUR, and R. ZONOOZI, “A COMPARATIVE STUDY ON THE CONTRALATERAL SUPPRESSION EFFECTS OF ACOUSTIC STIMULATIONS ON OTOACOUSTIC EMISSIONS ,” ARCHIVES OF REHABILITATION (JOURNAL OF REHABILITATION), vol. 5, no. 3 (18), pp. 13–19, 2004, [Online]. Available: https://sid.ir/paper/43247/en

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