The effect of eye position on the orientation of sound lateralization.

Rika Otake, Yuki Saito, Mitsuya Suzuki
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引用次数: 8

Abstract

Conclusions: The data suggest that sound lateralization sensitivity during interaural time difference (ITD) discrimination is altered by eccentric gaze and that sound lateralization shifts toward the direction of the gaze.

Objective: Using dichotic sounds, the effect of eye position on the orientation of sound lateralization was investigated in humans.

Subjects and methods: The subjects were studied by testing ITD discrimination under different conditions of visual fixation.

Results: The amplitudes obtained during the ITD discrimination tests during eccentric fixation were significantly greater than those obtained while gazing straight ahead (p<0.05). The median line of amplitude obtained during the ITD discrimination test shifted toward the direction of the gaze.

眼位对声音偏侧方向的影响。
结论:偏心凝视改变了耳间时差(ITD)辨别过程中声音偏侧化的敏感性,使声音偏侧化向凝视方向偏移。目的:利用二元声,研究人眼位置对声音偏侧化方向的影响。实验对象与方法:通过对不同注视条件下被试的ITD辨别能力进行研究。结果:偏心性注视时ITD辨别试验获得的振幅显著大于直视时获得的振幅(p
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