PSYCH OpenIR  > 健康与遗传心理学研究室
Alternative TitleRetention of Emotional Memory: An fMRI Study
Thesis Advisor翁旭初
Degree Grantor中国科学院研究生院
Place of Conferral北京
Degree Discipline心理学
Keyword记忆巩固 功能磁共振成像 功能连接 典型相关分析
Other AbstractMemories for emotional information are more accurate and vivid and are more likely to transfer to long-term store than memories for neutral information. The transformation of newly encoded information into long-term store depends on memory consolidation that occurs during the post-encoding stage. The majority of previous studies have focused on encoding and retrieval of emotional memory. The association of post-encoding interregional interaction with later emotional memory performance is still unclear. In the present study, post-encoding functional connectivites were measured to reflect interregional interaction in this stage, and then the canonical correlation analysis was conducted to examine the relationship between functional connectivities and subsequent emotional memory performance with short- and long-term retention interval, respectively. The results showed that post-encoding amygdala-medial temporal lobe related functional connectivities could predict subsequent emotional memory performance with a preference on neutral and positive stimuli and that the dorsal precuneus may play an important role in this preference. The pattern of this brain-behavior association is in line with that proposed by existing models of memory consolidation, and the potential confounding effect induced by brain activities in the encoding stage was excluded. Therefore, the brain-behavior association shown in the present study reflects memory consolidation, providing a new approach to identify or infer the existence of memory consolidation.
Subject Area认知神经科学
Document Type学位论文
Recommended Citation
GB/T 7714
金一. 情绪记忆保持特征的功能磁共振成像研究[D]. 北京. 中国科学院研究生院,2015.
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