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低频音声源定位的内部延迟机制研究进展 被引量:7

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摘要 低频音水平声源定位的主要信号为耳间时间差,主要由两耳间距决定。同时,两耳信号的中枢传递时间也存在内部延迟。当声源与头位置关系所产生的耳间时间差准确地被内部延迟弥补或代偿时,引起重合探测神经元的最大放电,而听觉中枢则以此来编码水平位置。Jeffress认为内部延迟是两侧轴突到探测神经元长度的不同所产生的传导延迟,但事实上对于内部延迟的形成机制目前仍存争议。本文就相关争议进行综述。
出处 《生理科学进展》 CAS CSCD 北大核心 2009年第3期267-270,共4页 Progress in Physiological Sciences
基金 北京市科技计划(研发攻关类)项目资助课题(Z080507030808018)
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参考文献10

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同被引文献62

  • 1崔庚寅,白文忠,管振龙,王厄舟,张凤娟.人耳对声源定位的时差研究[J].河北师范大学学报(自然科学版),1994,18(4):84-86. 被引量:3
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  • 4王勤瑛,华清泉,汪审清,肖伯奎,廖华.大鼠单侧耳蜗损毁后下丘r-氨基丁酸及其神经元的变化[J].临床耳鼻咽喉头颈外科杂志,2007,21(7):321-323. 被引量:9
  • 5朱利红,王宁宇,张旭,徐先发,全海英,程凯.声源定位仪的研制与应用[J].中国耳鼻咽喉头颈外科,2007,14(5):257-261. 被引量:12
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