EFFECTS OF STIMULUS POLARITY ON BINAURAL INTERACTION OF AUDITORY BRAINSTEM RESPONSE

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ENAYAT NAFISEH; ZARRINKOOB HOMA; NAZERI AHMADREZA; TABATABAEE SEYED MEHDI

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Journal: Scientific Journal of Rehabilitation Medicine Year:2014 | Volume:3 | Issue:2 Page(s): 46-53

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Title

EFFECTS OF STIMULUS POLARITY ON BINAURAL INTERACTION OF AUDITORY BRAINSTEM RESPONSE

Author(s)

ENAYAT NAFISEH | ZARRINKOOB HOMA | NAZERI AHMADREZA | TABATABAEE SEYED MEHDI | Issue Writer Certificate

Keywords

BINAURAL INTERACTIONQ2

AUDITORY BRAINSTEM RESPONSEQ2

STIMULUS POLARITYQ2

Abstract

Background and Aim: Binaural perception is an important ability in human auditory system. The human click-evoked BINAURAL INTERACTION component has been known as an index of binaural perception. The purpose of this investigation was to study the STIMULUS POLARITY effect on BINAURAL INTERACTION of AUDITORY BRAINSTEM RESPONSE (ABR).Materials and Methods: ABR’s were recorded monaurally and binaurally in 30 normal adults (12 men & 18 women) using different STIMULUS POLARITY. In order to determine BINAURAL INTERACTION component (BIC) from wave V, the binaural response was subtracted from the summed monaural waves (R+L) in each polarity. Repeated measures ANOVA was used to analyze latency & amplitude differences of BIC between the three stimulus polarities.Results: Condensation clicks produced BIC’s with longer latency compared to rarefaction clicks (p˂0.05). BIC’s amplitude increased by using condensation polarity compared to rarefaction & alternate polarities (p˂0.001 & p˂0.01, respectively).Conclusion: Amplitude, latency & morphologic characteristics of BIC were dependent on click polarity. Latency differences has been accounted for by small latency shift of the components of monaurally or binaurally evoked potentials resulting from changes in click polarity. Recognition of BIC was easier using condensation polarity.

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APA: Copy

ENAYAT, NAFISEH, ZARRINKOOB, HOMA, NAZERI, AHMADREZA, & TABATABAEE, SEYED MEHDI. (2014). EFFECTS OF STIMULUS POLARITY ON BINAURAL INTERACTION OF AUDITORY BRAINSTEM RESPONSE. SCIENTIFIC JOURNAL OF REHABILITATION MEDICINE, 3(2), 46-53. SID. https://sid.ir/paper/239766/en

Vancouver: Copy

ENAYAT NAFISEH, ZARRINKOOB HOMA, NAZERI AHMADREZA, TABATABAEE SEYED MEHDI. EFFECTS OF STIMULUS POLARITY ON BINAURAL INTERACTION OF AUDITORY BRAINSTEM RESPONSE. SCIENTIFIC JOURNAL OF REHABILITATION MEDICINE[Internet]. 2014;3(2):46-53. Available from: https://sid.ir/paper/239766/en

IEEE: Copy

NAFISEH ENAYAT, HOMA ZARRINKOOB, AHMADREZA NAZERI, and SEYED MEHDI TABATABAEE, “EFFECTS OF STIMULUS POLARITY ON BINAURAL INTERACTION OF AUDITORY BRAINSTEM RESPONSE,” SCIENTIFIC JOURNAL OF REHABILITATION MEDICINE, vol. 3, no. 2, pp. 46–53, 2014, [Online]. Available: https://sid.ir/paper/239766/en

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