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  • Dynamic Memories: How we remember complex events and how the act of remembering affects what we can retain

    报告时间2019年 11月20日(周三)10:00-12:00
    报告地点北京师范大学京师学堂第三会议室(地下室一层)
    报告人:Charan Ranganath, Ph.D. & Professor
    Department of Psychology and the Center for Neuroscience,
    University of California at Davis, USA
    美国加州大学戴维斯分校心理学系和神经科学研究中心

    报告人简介:
    Dr. Charan Ranganath is a full professor and a director of the Dynamic Memory Lab at Department of Psychology in UC Davis. His research has combined multiple approaches of functional neuroimaging, electrophysiology and behavioral assay to study the neural basis of episodic memory and the role of cortico-hippocampal networks in remembering complex events. He currently is an editor of the Journal of Neuroscience. He was also a recipient of the Samuel Sutton Award for Distinguished Scientific Contribution to Human ERPs & Cognition and the Young Investigator Award of Cognitive Neuroscience Society.

    报告摘要:
    We tend to think of memory as a static record of the past, but research has proven that memories are actually much more dynamic. Recalling a past event can affect our ability to retain not only information that was recalled, but also information from related events. Understanding and harnessing the power of memory retrieval can have important impacts on education, and intervention for learning/memory disorders. I will present behavioral and neuroimaging studies on how the act of memory retrieval affects what we can remember in the long term. We have found that sleep-dependent memory consolidation plays a role in reorganizing memories, such that competing memories subsequently become integrated. The effects of memory retrieval that we see in lab paradigms can also be seen in studies of more naturalistic events and for memory experiences in the real world. I will present preliminary work showing how these results can be explained by a computational model of hippocampal-neocortical interactions.