Enhanced error-related negativity on flanker errors: error expectancy or error significance?

Enhanced error-related negativity on flanker errors: error expectancy or error significance?
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侧翼失误中与失误相关的消极性增强:失误预期还是失误重要性?

DOI:
10.1111/j.1469-8986.2012.01373.x
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发表时间:
2012
期刊:
影响因子:
3.7
通讯作者:
Steinhauser
Steinhauser
中科院分区:
心理学3区
文献类型:
--
作者:
Di Pellegrino;Steinhauser

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本研究调查了错误相关负波(一种用于性能监测的电生理标记)是否反映了(1)错误的预期,或(2)错误对当前任务目标的重要性。在第一种情况下,对于较低的预期误差预测较大的误差相关负性,而在第二种情况下,对于具有较大显著性的误差预测较大的误差相关负性。为了测试这些预测,我们在侧翼任务中改变侧翼大小。对于大的侧翼,通过执行与侧翼相关的响应(侧翼错误)发生更多的错误,导致侧翼错误的预期更高。正如多项模型所揭示的那样,这些额外的侧翼错误代表了高度显著的注意错误,导致错误显著性增加。对于具有大侧翼的侧翼错误,错误相关负性更大,这支持错误显著性解释。
The present study investigated whether the error‐related negativity, an electrophysiological marker for performance monitoring, reflects (1) the expectancy of errors, or (2) the significance of errors for the current task goal. In the first case, a larger error‐related negativity is predicted for less expected errors, whereas in the second case, a larger error‐related negativity is predicted for errors with greater significance. To test these predictions, we varied flanker size in a flanker task. With large flankers, more errors occurred by executing the response associated with the flankers (flanker errors) leading to a greater expectancy of flanker errors. As revealed by a multinomial model, these additional flanker errors represented highly significant attention errors, leading to an increased error significance. The error‐related negativity was larger for flanker errors with large flankers, which supports the error significance account.
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DOI: --
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