Compton Rebecca J, Bissey Bryn, Worby-Selim Sharoda
Department of Psychology, Haverford College, Haverford, Pennsylvania, USA.
Psychophysiology. 2014 Jul;51(7):585-95. doi: 10.1111/psyp.12212. Epub 2014 Mar 27.
The goal of the present research is to examine the influence of motivation on a novel error-related neural marker, error-related alpha suppression (ERAS). Participants completed an attentionally demanding flanker task under conditions that emphasized either speed or accuracy or under conditions that manipulated the monetary value of errors. Conditions in which errors had greater motivational value produced greater ERAS, that is, greater alpha suppression following errors compared to correct trials. A second study found that a manipulation of task difficulty did not affect ERAS. Together, the results confirm that ERAS is both a robust phenomenon and one that is sensitive to motivational factors.
本研究的目的是检验动机对一种新的与错误相关的神经标记物——错误相关的α波抑制（ERAS）的影响。参与者在强调速度或准确性的条件下，或在操纵错误的货币价值的条件下，完成一项注意力要求较高的侧翼任务。错误具有更大动机价值的条件会产生更大的ERAS，也就是说，与正确试验相比，错误后α波抑制更强。第二项研究发现，任务难度的操纵并不影响ERAS。总之，结果证实ERAS既是一种稳健的现象，也是一种对动机因素敏感的现象。
