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      Enhanced Brain Correlations during Rest Are Related to Memory for Recent Experiences

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      Neuron
      Elsevier BV

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          Abstract

          Long-term storage of episodic memories is hypothesized to result from the off-line transfer of information from the hippocampus to neocortex, allowing a hippocampal-independent cortical representation to emerge. However, off-line hippocampal-cortical interactions have not been demonstrated to be linked with long-term memory. Here, using functional magnetic resonance imaging, we examined if hippocampal-cortical BOLD correlations during rest following an associative encoding task are related to later associative memory performance. Our data show enhanced functional connectivity between the hippocampus and a portion of the lateral occipital complex (LO) during rest following a task with high subsequent memory compared to pretask baseline resting connectivity. This effect is not seen during rest following a task with poor subsequent memory. Furthermore, the magnitude of hippocampal-LO correlations during posttask rest predicts individual differences in later associative memory. These results demonstrate the importance of postexperience resting brain correlations for memory for recent experiences. Copyright 2010 Elsevier Inc. All rights reserved.

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          Author and article information

          Journal
          Neuron
          Neuron
          Elsevier BV
          08966273
          January 2010
          January 2010
          : 65
          : 2
          : 280-290
          Article
          10.1016/j.neuron.2010.01.001
          3287976
          20152133
          4633b5a0-b223-4b90-8250-3e85256f6d79
          © 2010

          https://www.elsevier.com/tdm/userlicense/1.0/

          https://www.elsevier.com/open-access/userlicense/1.0/

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