Event-related potential and behavioural evidence of goal-based expectations for consistent actions among group members

IF 3.2 2区 心理学 Q1 PSYCHOLOGY, MULTIDISCIPLINARY British journal of psychology Pub Date : 2023-03-07 DOI:10.1111/bjop.12643
Jun Yin, Dan Zhou, Danfeng Ai, Hongli Sun, Jipeng Duan, Zhongqiang Sun, Xiuyan Guo
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Abstract

Placeholder Text

People expect group members to act consistently. However, because actions are organized hierarchically, incorporating deep-level goals and shallow-level movements, it remains unclear what level of action is expected to be consistent among group members. We determined that these two levels of action representations can be dissociated in object-directed actions and measured the late positive potential (LPP), which indicates expectation. We found that participants identified a new agent's actions more quickly when this agent pursued a consistent goal while moving in a manner inconsistent with group members than when this agent pursued an inconsistent goal while moving in the same manner as group members. Moreover, this facilitation effect disappeared when the new agent was from a different group, revealing goal-based expectations for consistent actions among group members. The LPP amplitude during the action-expectation phase was greater for agents from the same group than for agents from a different group, suggesting that people implicitly generate clearer action expectations for group members than for other individuals. Additionally, the behavioural facilitation effect was observed when the goal of actions was clearly identifiable (i.e. performing rational actions to reach an external target) rather than when there was no clear association between actions and external targets (i.e. performing irrational actions). The LPP amplitude during the action-expectation phase was greater after observing rational actions than after observing irrational actions performed by two agents from the same group, and the expectation-related increase in LPP predicted the behavioural measurements of the facilitation effect. Hence, the behavioural and event-related potential evidence suggest that people implicitly expect group members to behave consistently according to goals rather than movements per se.

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事件相关的潜力和行为证据的目标为基础的期望一致的行动在群体成员之间
人们希望小组成员的行为一致。然而,因为行动是分层组织的,包含了深层次的目标和浅层的行动,所以在团队成员中,什么层次的行动是一致的仍然是不清楚的。我们确定这两个层次的动作表征可以在对象导向动作中分离,并测量了表明期望的后期正电位(LPP)。我们发现,当一个新agent追求一致的目标,但与小组成员的移动方式不一致时,参与者识别新agent的动作要比这个agent追求不一致的目标,但与小组成员的移动方式相同时更快。此外,当新代理人来自不同的群体时,这种促进效应就消失了,这揭示了群体成员对一致行动的基于目标的期望。在行动期望阶段,来自同一组的行为主体的LPP振幅大于来自不同组的行为主体,这表明人们隐性地对群体成员产生比对其他个体更清晰的行动期望。此外,当行为目标明确时(即采取理性行动以达到外部目标),而不是当行为与外部目标之间没有明确关联时(即采取非理性行动),观察到行为促进效应。观察同一组两名被试的理性行为后,动作-期望阶段LPP的幅度大于观察非理性行为后的幅度,期望相关的LPP增加预测了促进效应的行为测量。因此,行为和事件相关的潜在证据表明,人们隐性地期望群体成员按照目标而不是行动本身一致行事。
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来源期刊
British journal of psychology
British journal of psychology PSYCHOLOGY, MULTIDISCIPLINARY-
CiteScore
7.60
自引率
2.50%
发文量
67
期刊介绍: The British Journal of Psychology publishes original research on all aspects of general psychology including cognition; health and clinical psychology; developmental, social and occupational psychology. For information on specific requirements, please view Notes for Contributors. We attract a large number of international submissions each year which make major contributions across the range of psychology.
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