你值得我们等待吗? 等待时间调节了社会反处理:来自事件相关潜力的证据
Xukai Zhang1, Jutta Peterburs2, Susannah C S A Otieno3
1Institute for Brain and Psychological Sciences, Sichuan Normal University, Chengdu, China.
概括
等待更长时间的社会反可以增加它的价值,特别是喜欢的同龄人. 这项研究使用脑电图 (EEG) 显示等待时间如何影响大脑对社会线索的反应.
科学领域:
- 神经科学是一个神经科学.
- 社会心理学 社会心理学
- 认知科学 认知科学
背景情况:
- 社交反处理对于建立关系至关重要.
- 等待时间对社会反感知的影响尚未得到充分理解.
研究的目的:
- 为了研究不同的等待时间如何影响神经对社会反的反应.
- 检查等待对事件相关潜力 (ERP) 的影响,如N170,奖励积极性 (RewP) 和P3.
主要方法:
- 使用脑电图 (EEG) 记录了36名参与者的大脑活动.
- 参与者接受了一项社会评估任务,从喜欢和不喜欢的同龄人获得短 (800-1200毫秒) 和长 (5000-6000毫秒) 的反延迟.
主要成果:
- 长时间的等待增加了喜欢的同行接受的价值,但减少了不喜欢的同行.
- 脑电图数据显示,在喜欢的同龄人长时间等待时,RewP增加,而在不喜欢的同龄人时,RewP减少.
- N170和P3的振幅更大,等待时间更长,表明注意力和记忆负载增加.
结论:
- 等待时间显著调节了社会反的处理,受到个人偏好的影响.
- 延长的等待时间可以放大奖励价值,与预期相反.
- 研究结果提供了关于在时间不确定性下社会决策的神经认知基础的见解.
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