Partial advance information and response preparation: inferences from the lateralized readiness potential.

Partial advance information and response preparation: inferences from the lateralized readiness potential.
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部分预先信息和响应准备:从横向准备潜力的推论。

DOI:
10.1037//0096-3445.125.3.307
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发表时间:
1996
期刊:
Journal of experimental psychology. General
影响因子:
--
通讯作者:
Rolf Ulrich
Rolf Ulrich
中科院分区:
--
文献类型:
--
作者:
Hartmut Leuthold;Werner Sommer;Rolf Ulrich

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当在信号开始之前提供关于即将到来的运动的预先信息时,对信号的响应速度更快。虽然这种预处理效应已经得到了很好的证实,但是在信息处理系统中,这种反应时间(RT)的节省的位置是有争议的。一些作者声称,预处理效应存在于运动水平,而另一些人则认为存在于非运动位点。本实验采用偏侧化准备电位(LRP)的起始潜伏期来定位预加工效应。2个实验的结果与高度兼容(实验1)和不兼容(实验2)的刺激反应映射表明,这种效果驻留,至少部分地,在运动部分的RT。此外,LRP振幅信号出现前增加的量的提前信息,支持肌肉特异性的准备假说。
Response speed to a signal is faster when advance information about the forthcoming movement is provided before signal onset. Although this precuing effect is well established, the location of this saving in reaction time (RT) in the information-processing system is controversial. Some authors have claimed that the precuing effect resides at a motoric level, whereas others have suggested a nonmotoric locus. The present experiments used onset latencies of the lateralized readiness potential (LRP) to locate the precuing effect. The results of 2 experiments with a highly compatible (Experiment 1) and with an incompatible (Experiment 2) stimulus-response mapping indicate that this effect resides, at least partially, in the motoric portion of RT. In addition, the LRP amplitude before signal appearance increased with the amount of advance information, supporting a muscle-specific preparation hypothesis.
关于部分信息的传递:来自运动相关大脑电位的推论。
DOI: 10.1037//0096-1523.18.1.217
发表时间: 1992
期刊: Journal of experimental psychology. Human perception and performance
影响因子: --
作者:
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期刊: Journal of experimental psychology. General
影响因子: --
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影响因子: 2.1
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DOI: 10.1111/j.1469-8986.1989.tb01916.x
发表时间: 1989-05-01
期刊: PSYCHOPHYSIOLOGY
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