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Related Concept Videos

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Role of Hippocampus in Memory

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Related Experiment Video

Updated: May 21, 2026

Investigating Long-term Synaptic Plasticity in Interlamellar Hippocampus CA1 by Electrophysiological Field Recording
14:27

Investigating Long-term Synaptic Plasticity in Interlamellar Hippocampus CA1 by Electrophysiological Field Recording

Published on: August 11, 2019

Hippocampal sequences link past, present, and future.

Andrew M Wikenheiser1, A David Redish

  • 1Graduate Program in Neuroscience, University of Minnesota, Minneapolis, MN 55455, USA.

Trends in Cognitive Sciences
|June 8, 2012
PubMed
Summary
This summary is machine-generated.

Disrupting hippocampal neuron reactivation during sleep hinders memory consolidation in rats. Reactivation during wakefulness appears to guide behavior by connecting past learning to present circumstances.

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Related Experiment Videos

Last Updated: May 21, 2026

Investigating Long-term Synaptic Plasticity in Interlamellar Hippocampus CA1 by Electrophysiological Field Recording
14:27

Investigating Long-term Synaptic Plasticity in Interlamellar Hippocampus CA1 by Electrophysiological Field Recording

Published on: August 11, 2019

Longitudinal Two-Photon Imaging of Dorsal Hippocampal CA1 in Live Mice
09:34

Longitudinal Two-Photon Imaging of Dorsal Hippocampal CA1 in Live Mice

Published on: June 19, 2019

Horizontal Hippocampal Slices of the Mouse Brain
08:59

Horizontal Hippocampal Slices of the Mouse Brain

Published on: September 22, 2020

Area of Science:

  • Neuroscience
  • Cognitive Science
  • Behavioral Biology

Background:

  • Memory consolidation is known to be impaired by disrupting hippocampal neuron reactivation during sleep.
  • The role of hippocampal neuron reactivation during awake states in behavior remains largely unexplored.

Purpose of the Study:

  • To investigate the functional significance of hippocampal neuron reactivation during awake states.
  • To determine if awake reactivation adaptively guides behavior.

Main Methods:

  • Utilized an experimental approach to disrupt the reactivation of hippocampal neurons in rats during wakefulness.
  • Observed the impact of this disruption on the rats' behavior and ability to link past learning with current environmental cues.

Main Results:

  • Disrupting awake hippocampal reactivation altered behavioral responses.
  • Evidence suggests that awake reactivation plays a role in integrating previous experiences with the current context.

Conclusions:

  • Hippocampal neuron reactivation during awake states is functionally important.
  • This reactivation process may serve to adaptively guide behavior by linking prior learning to the current state of the world.