Non-conscious choice in cutaneous backward masking.

Non-conscious choice in cutaneous backward masking.
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皮肤向后掩蔽的无意识选择。

DOI:
10.1097/00001756-199606170-00015
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发表时间:
1996
期刊:
影响因子:
1.7
通讯作者:
A. McComas
A. McComas
中科院分区:
医学4区
文献类型:
--
作者:
N. J. Macintyre;A. McComas

文献摘要

被引文献

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设计了一种简单而有效的方法来探索皮肤感觉中的向后掩蔽。在这种方法中,对手掌的微弱电击(测试刺激)之后是对同一部位的较强电击(掩蔽刺激)。通过将这一刺激策略与选择反应时间范式相结合,已经有可能表明神经系统对测试刺激做出反应,即使它们没有被有意识地感知。此外,不同类型试验的错误分布表明,在这些实验条件下,刺激的识别和反应的选择也可能是在无意识的水平上做出的。对各种神经事件的时序提出了初步方案。
A simple but effective method has been devised to explore backward masking in cutaneous sensation. In this method a weak electrical shock to the palm (test stimulus) is followed by a stronger shock to the same site (masking stimulus). By combining this stimulation strategy with a choice reaction time paradigm, it has been possible to show that the nervous system responds to the test stimuli even though they are not consciously perceived. Further, the distribution of errors in the different types of trial suggests that, under these experimental conditions, the identification of the stimulus and the choice of response may also be made at a non-conscious level. A tentative scheme for the timing of the various neural events is proposed.