Exploring the Amplitudes of Binaural Interaction Components Elicited by Diverse Stimuli and Their Relationships With Behavioral Measures in Individuals With Normal Hearing.

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Tác giả: Sungmin Lee, Won So

Ngôn ngữ: eng

Ký hiệu phân loại: 809.008 History and description with respect to kinds of persons

Thông tin xuất bản: Korea (South) : Journal of audiology & otology , 2025

Mô tả vật lý:

Bộ sưu tập: NCBI

ID: 695750

BACKGROUND AND OBJECTIVES: : This study was performed to comprehensively examine the amplitudes of the binaural interaction components (BICs) elicited by chirps, clicks, and 500 Hz tone-burst stimuli in individuals with normal hearing. Electrophysiological evidence of BICs was obtained and assessed for correlations with interaural time difference (ITD) and interaural level difference (ILD). SUBJECTS AND METHODS: : Sixteen adults (4 males and 12 females) with normal hearing participated in this study. Auditory brainstem responses (ABRs) to chirp, click, and 500 Hz tone-burst stimuli were recorded, and BICs were derived based on wave V. The behavioral thresholds of ITDs and ILDs across multiple frequencies were obtained and analyzed. RESULTS: : BICs were found in most participants, regardless of stimulus type. The amplitudes of BICs elicited by chirps were the highest, followed by those elicited by clicks and 500 Hz tone-bursts. A significant correlation was found between the amplitudes of chirp-evoked BICs and the thresholds of 500 Hz ITDs and ILDs. CONCLUSIONS: :This study found that chirp stimuli may be effective in eliciting BIC and predicting behavioral binaural interaction processing at low frequencies.
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