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- Title
Binaural Interaction Component in Speech Evoked Auditory Brainstem Responses.
- Authors
Uppunda, Ajith Kumar; Bhat, Jayashree; D'costa, Pearl Edna; Raj, Muthu; Kumar, Kaushlendra
- Abstract
OBJECTIVE: This article aims to describe the characteristics of the binaural interaction component (BIC) of speech-evoked auditory brainstem response (ABR). MATERIALS and METHODS: All 15 subjects had normal peripheral hearing sensitivity. ABRs were elicited by speech stimulus /da/. RESULTS: The first BIC (BIC-SP1) in the speech-evoked ABR occurred at around 6 ms in the region of peak V. The second BIC (BIC-SP2) was present around 8 ms in the latency region of peak A. The third and fourth BICs of speech-evoked ABR (BIC-SP3 & BIC-SP4) were observed at around 36 ms and 46 ms, respectively, in the latency regions of peaks E and F, respectively. BIC-SP1 and BIC-SP2 were present in all subjects tested (100%), whereas BIC-SP3 and BIC-SP4 were present in 11 (73%). CONCLUSION: Because ABRs are not affected by sleep and mature early, this tool can be evaluated in identifying binaural interaction in younger and difficult-to-test populations.
- Subjects
BINAURAL hearing aids; AUDITORY evoked response; AUDITORY brain stem implants; SENSITIVITY (Personality trait); OTOLOGY
- Publication
Journal of International Advanced Otology, 2015, Vol 11, Issue 2, p114
- ISSN
1308-7649
- Publication type
Article
- DOI
10.5152/iao.2015.426