Impact of reward and punishment motivation on behavior monitoring as indexed by the error-related negativity.
Impact of reward and punishment motivation on behavior monitoring as indexed by the error-related negativity.
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DOI：
10.1016/j.ijpsycho.2011.07.020
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发表时间：
2011-09
影响因子：
3
通讯作者：
Potts, Geoffrey F.
中科院分区：
文献类型：
--
作者：
Potts, Geoffrey F.
错误相关负波（ERN）被认为是一个神经行为监测系统的指标，其来源于前扣带皮层（ACC）。虽然ACC参与了各种各样的认知和情感任务，但对于ERN索引ACC功能的哪些方面存在争议。在一个模型中，ERN索引纯粹的认知功能，对预期和执行动作之间的不匹配做出反应。另一个模型认为，ERN更受情绪驱动，当一个行动与动机目标不一致时就会被激发出来。如果ERN指标在预期和执行的行动之间不匹配，那么它应该对动机效价不敏感，例如奖励或惩罚;相反，如果ERN指标相对于目标的反应评价，那么它可能在不同的动机效价下做出不同的反应。本研究采用潜在奖励和潜在惩罚激励的侧翼任务，考察了不同实验条件下的N2和P3，以及对命令刺激的反应Pe和对结果反馈的反应FRN和P3，以评估在选择反应时任务中动机效价对信息加工其他阶段的影响。受试者在惩罚动机的试验中反应较慢，N2和ERN在惩罚动机的试验中都较大，这表明损失厌恶对包括行为监测在内的信息处理的多个阶段都有影响。
The Error Related Negativity (ERN) is thought to index a neural behavior monitoring system with its source in anterior cingulate cortex (ACC). While ACC is involved in a wide variety of cognitive and emotional tasks, there is debate as to what aspects of ACC function are indexed by the ERN. In one model the ERN indexes purely cognitive function, responding to mismatch between intended and executed actions. Another model posits that the ERN is more emotionally driven, elicited when an action is inconsistent with motivational goals. If the ERN indexes mismatch between intended and executed action, then it should be insensitive to motivational valence, e.g. reward or punishment; in contrast if the ERN indexes the evaluation of responses relative to goals, then it might respond differentially under different motivational valence. This study used a flanker task motivated by potential reward and potential punishment on different trials and also examined the N2 and P3 to the imperative stimulus, the response Pe, and the FRN and P3 to the outcome feedback to assess the impact of motivation valence on other stages of information processing in this choice reaction time task. Participants were slower on punishment motivated trials and both the N2 and ERN were larger on punishment-motivated trials, indicating that loss aversion has an impact on multiple stages of information processing including behavior monitoring.
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