Auditory modulation of visual apparent motion with short spatial and temporal intervals.

Auditory modulation of visual apparent motion with short spatial and temporal intervals.
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DOI:
10.1167/10.12.31
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发表时间:
2010-10-26
期刊:
影响因子:
1.8
通讯作者:
Stoner GR
Stoner GR
中科院分区:
医学4区
文献类型:
--
作者:
Kafaligonul H;Stoner GR

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最近,报道了一种跨模态的时间相互作用,其中简短的声音驱动视觉视在运动的感知方向,他们归因于声音对视觉刺激的“时间捕获”。Freeman和Driver使用了“长距离”视觉运动刺激,这种刺激在长时间和空间间隔内传播,并与高级皮层区域相关联。我们询问Freeman和Driver的时间效应是否扩展到涉及皮质区MT的短程表观运动刺激,MT是一个对视觉运动具有明确时空选择性的较低顺序区域(例如)。与时间捕获帐户一致,我们发现静态声音偏向于对短程运动的方向(实验1)和速度(实验2)的感知。我们的研究结果表明,听觉时序可能与视觉时空处理早在皮层区MT。检查这个研究充分的区域对本研究中使用的刺激的神经元反应将提供一个测试,并可能提供对时间的神经元表征的洞察。
Recently, reported a cross-modal temporal interaction in which brief sounds drive the perceived direction of visual apparent-motion, an effect they attributed to “temporal capture” of the visual stimuli by the sounds. Freeman and Driver used “long-range” visual motion stimuli, which travel over long spatial and temporal intervals and engage high-order cortical areas. We asked whether Freeman and Driver’s temporal effects extended to the short-range apparent-motion stimuli that engage cortical area MT, a lower-order area with well-established spatiotemporal selectivity for visual motion (e.g.). Consistent with a temporal-capture account, we found that static sounds bias the perception of both the direction (Experiment 1) and the speed (Experiment 2) of short-range motion. Our results suggest that auditory timing may interact with visual spatiotemporal processing as early as cortical area MT. Examination of the neuronal responses of this well-studied area to the stimuli used in this study would provide a test and might provide insight into the neuronal representation of time.
DOI: 10.1016/j.cub.2008.07.066
发表时间: 2008-08-26
期刊: CURRENT BIOLOGY
影响因子: 9.2
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通讯作者: Driver, Jon
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发表时间: 1980-01-01
期刊: PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY OF LONDON SERIES B-BIOLOGICAL SCIENCES
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发表时间: 2007-01-01
期刊: PERCEPTION
影响因子: 1.7
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