Primes and targets in rapid chases: tracing sequential waves of motor activation.

Primes and targets in rapid chases: tracing sequential waves of motor activation.
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快速追逐中的起始点和目标:追踪运动激活的连续波

DOI:
10.1037/0735-7044.120.5.1005
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发表时间:
2006
影响因子:
1.9
通讯作者:
Niehaus
Niehaus
中科院分区:
医学4区
文献类型:
--
作者:
Schmidt;Niehaus

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单细胞记录表明,视觉刺激会引发快速的神经元激活波,这种激活波传播得如此之快,以至于它们可能不受皮质内反馈的影响。在这里,通过测量对颜色目标的指向响应来跟踪前馈激活的时间过程,该响应之前是启动相同或相反响应的颜色素数。启动效应的早期时间进程严格时间锁定于启动项的发生,并且仅取决于启动项的属性,但与实际目标的启动时间以及目标对启动项的感知效果无关。结果表明,启动物和目标的非重叠前馈信号以快速追逐的方式穿过视觉运动系统,以严格的顺序控制相关的运动反应。
Single-cell recordings have indicated that visual stimuli elicit rapid waves of neuronal activation that propagate so fast that they might be free of intracortical feedback. Here, the time course of feedforward activation was traced by measuring pointing responses to color targets preceded by color primes initiating either the same or opposite response. The early time course of priming effects was strictly time locked to prime onset and depended only on properties of the primes, but was independent of the onset times of the actual targets as well as the perceptual effects of targets on primes. Results indicated that nonoverlapping feedforward signals by primes and targets traverse the visuomotor system in a rapid chase, controlling associated motor responses in strict sequence.
DOI: 10.1007/s00221-005-0213-9
发表时间: 2006-04-01
影响因子: 2
作者:
Brenner, E;Smeets, JBJ
通讯作者: Smeets, JBJ
DOI: 10.1037/0096-1523.25.4.976
发表时间: 1999-08-01
影响因子: 2.1
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DOI: --
发表时间: 1973
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追踪侧化准备电位中快速视觉运动激活的连续波
DOI: 10.1016/j.neuroscience.2006.11.044
发表时间: 2007
期刊: Neuroscience
影响因子: 3.3
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发表时间: 2003-05-13
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