使用个性化头部相关传递函数增强听觉空间表现：一项事件相关电位研究。

Enhanced auditory spatial performance using individualized head-related transfer functions: An event-related potential study.

作者信息

Wisniewski Matthew G, Romigh Griffin D, Kenzig Stephanie M, Iyer Nandini, Simpson Brian D, Thompson Eric R, Rothwell Clayton D

机构信息

711th Human Performance Wing, United States Air Force Research Laboratory, Wright-Patterson Air Force Base, Ohio 45433, USA

Infoscitex Corporation, Dayton, Ohio 45431, USA

出版信息

J Acoust Soc Am. 2016 Dec;140(6):EL539. doi: 10.1121/1.4972301.

DOI:10.1121/1.4972301

PMID:28040012

Abstract

This study examined event-related potential (ERP) correlates of auditory spatial benefits gained from rendering sounds with individualized head-related transfer functions (HRTFs). Noise bursts with identical virtual elevations (0°-90°) were presented back-to-back in 5-10 burst "runs" in a roving oddball paradigm. Detection of a run's start (i.e., elevation change detection) was enhanced when bursts were rendered with an individualized compared to a non-individualized HRTF. ERPs showed increased P3 amplitudes to first bursts of a run in the individualized HRTF condition. Condition differences in P3 amplitudes and behavior were positively correlated. Data suggests that part of the individualization benefit reflects post-sensory processes.

摘要

本研究考察了通过使用个性化的头部相关传递函数（HRTF）呈现声音所获得的听觉空间优势的事件相关电位（ERP）相关性。在漫游式奇偶数范式中，具有相同虚拟仰角（0° - 90°）的噪声脉冲串以5 - 10个脉冲串的“组”形式背靠背呈现。与使用非个性化HRTF相比，当使用个性化HRTF呈现脉冲串时，对一组脉冲串开始的检测（即仰角变化检测）得到增强。ERP显示，在个性化HRTF条件下，对一组脉冲串的第一个脉冲的P3波幅增加。P3波幅和行为的条件差异呈正相关。数据表明，个性化优势的一部分反映了感觉后过程。