Perception of sound-source motion by the human brain

被引：209
作者：
Warren, JD
Zielinski, BA
Green, GGR
Rauschecker, JP
Griffiths, TD
机构：
[1] UCL, Inst Neurol, Wellcome Dept Imaging Neurosci, London WC1N 3BG, England
[2] Univ Newcastle Upon Tyne, Sch Med, Auditory Grp, Newcastle Upon Tyne NE2 4HH, Tyne & Wear, England
[3] Georgetown Univ, Med Ctr, Georgetown Inst Cognit & Computat Sci, Washington, DC 20007 USA
来源：
NEURON | 2002年 / 34卷 / 01期
关键词：
D O I：
10.1016/S0896-6273(02)00637-2
中图分类号：
Q189 [神经科学];
学科分类号：
071006 ;
摘要：
We assessed the human brain network for sound-motion processing using the same virtual stimulus in three independent functional imaging experiments. All experiments show a bilateral posterior network of activation, including planum temporale (PT) and parieto-temporal operculum (PTO). This was demonstrated in contrasts between sound movement and two control conditions: externalized stationary stimuli (in the midline or to the side of the head) and midline sounds within the head with similar spectro-temporal structure. We suggest specific computational mechanisms in PT for disambiguation of the intrinsic spectro-temporal features of a sound and the spectro-temporal effect of sound movement. The results support the existence of a posteriorly directed temporo-parietal pathway for obligatory perceptual processing of sound-source motion.
引用
收藏
页码：139 / 148
页数：10
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