Pre-trial exogenous visual flicker does not affect behavioral or EEG signatures of conflict processing

Pre-trial exogenous visual flicker does not affect behavioral or EEG signatures of conflict processing
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审前外源性视觉闪烁不会影响冲突处理的行为或脑电图特征

DOI:
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发表时间:
2014
期刊:
bioRxiv
影响因子:
--
通讯作者:
F. W. Steel
F. W. Steel
中科院分区:
--
文献类型:
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作者:
Michael X. Cohen;F. W. Steel

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内侧前额叶区域的θ频段(4-8 Hz)活动一直与自上而下的认知控制过程有关,包括识别和解决反应冲突。这仍然是一个悬而未决的问题,这些θ-波段的动态是一种神经机制的认知控制,或者相反,是副现象的神经计算机器,但大脑功能的有用指标。在这里,我们解决了这个问题,试图提高冲突处理(或其EEG θ波段签名)通过试验前外源θ波段视觉闪烁。虽然闪烁成功地夹带后脑网络,有没有闪烁的行为或冲突处理的EEG签名的影响。在本文中,我们详细介绍了我们的尝试,并讨论了未来可能的方向,使用外源性闪烁的内源性脑振荡在冲突处理中的作用的研究。
Activity in the theta frequency band (4-8 Hz) over medial prefrontal regions has been consistently implicated in top-down cognitive control processes, including recognizing and resolving response conflict. It remains an unanswered question whether these theta-band dynamics are a neural mechanism of cognitive control, or instead are epiphenomenal to the neural computational machinery but are useful indices of brain function. Here we addressed this question by attempting to boost conflict processing (or its EEG theta-band signatures) via pre-trial exogenous theta-band visual flicker. Although the flicker successfully entrained posterior brain networks, there were no effects of flicker on behavior or on EEG signatures of conflict processing. In this paper, we detail our attempts and discuss possible future directions for using exogenous flicker in the study of the role of endogenous brain oscillations in conflict processing.
DOI: 10.1152/physrev.00035.2008
发表时间: 2010-07
影响因子: 33.6
作者:
Wang XJ
通讯作者: Wang XJ
DOI: 10.1093/cercor/bhj044
发表时间: 2006-07-01
期刊: CEREBRAL CORTEX
影响因子: 3.7
作者:
Ding, J;Sperling, G;Srinivasan, R
通讯作者: Srinivasan, R