主 讲：胡晓晴

时 间：2017年9月28日上午10:00    

地 点：杭师大仓前校区恕园19-308教室

简介：

      胡晓晴博士毕业于美国西北大学心理系，现在香港大学心理系任助理教授，脑与认知科学国家重点实验室Principal Investigator, 担任Psychological Bulletin, SCAN, Neuroimage, Cognition, JEP General 等国际刊物的评审人，以第一/通讯作者在Science、Psychological Science, Current Directions in Psychological Science, SCAN, CABN等学术刊物上发表论文。主要应用EEG／ERP和行为手段研究自我调控，特别是记忆控制，偏见控制，道德决策的神经认知机制。

Abstract

The ability to control unwanted memories is critical for maintaining cognitive function and mental health. Prior research has shown that suppressing the retrieval of unwanted memories impairs their retention, as measured using intentional (direct) memory tests. Here, we review emerging evidence revealing that retrieval suppression can also reduce the unintended influence of suppressed traces. In particular, retrieval suppression (a) gradually diminishes the tendency for memories to intrude into awareness and (b) reduces memories’ unintended expressions on indirect memory tests. We present a neural account in which, during suppression, retrieval cues elicit hippocampally triggered neocortical activity that briefly reinstates features of the original event, which, in turn, are suppressed by targeted neocortical and hippocampal inhibition. This reactivation-dependent reinstatement principle could provide a broad mechanism by which suppressing retrieval of intrusive memories limits their indirect influences.