奖励关联损害了偶然编码的负面信息的识别:电生理学证据
Chunping Yan1, Lixia Cui2, Qin Zhang2
1Learning and Cognition Key Laboratory of Beijing, School of Psychology, Capital Normal University, Beijing, China; School of Psychology, Xinxiang Medical University, Xinxiang, China.
Biological psychology
|July 13, 2023
概括
奖励关联可以增强对正面和中性图像的记忆,但会损害对负面图像的记忆. 这种对情感情节性记忆的影响随着时间的推移而持续,影响了编码和检索过程.
科学领域:
- 认知神经科学 认知神经科学
- 奖励和情绪的神经科学
- 记忆研究 记忆研究
背景情况:
- 关于奖励对情感情节性记忆的影响存在不一致的发现.
- 了解奖励对记忆编码和检索的影响至关重要.
研究的目的:
- 研究奖励协会对编码和检索情感信息的影响.
- 通过事件相关潜力 (ERP) 检查这个效应如何随着时间的推移而改变.
主要方法:
- 两个实验使用了与事件相关的潜力 (ERP).
- 参与者在奖励或无奖励条件下偶然编码了情感图像.
- 识别记忆被立即测试,并在24小时的延迟后进行测试.
主要成果:
- 奖励改善了正和中性项目的识别,但减少了负项目的识别.
- 在编码过程中,ERP奖励效应对于正/中性和负刺激有所不同.
- 奖励对检索效应各不相同,只有在直接测试中观察到负项的反向效应.
结论:
- 奖励关联通过增强积极/中性物品处理和损害负面物品识别来调节情绪记忆.
- 这些影响是持续的,涉及前脑/前脑中心或中脑/上脑大脑区域.
- 奖励动态地影响记忆编码和情感内容的检索.
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