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Related Experiment Video

Updated: May 10, 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

Imagining the future: evidence for a hippocampal contribution to constructive processing.

Brendan Gaesser1, R Nathan Spreng, Victoria C McLelland

  • 1Department of Psychology, Harvard University, Cambridge, Massachusetts.

Hippocampus
|June 11, 2013
PubMed
Summary
This summary is machine-generated.

The hippocampus is crucial for imagining future events. A specific posterior region uniquely contributes to constructing novel imagined scenarios, differentiating them from re-imagined ones.

Keywords:
autobiographicalepisodic memoryfMRIimaginationsimulation

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Improved Preparation and Preservation of Hippocampal Mouse Slices for a Very Stable and Reproducible Recording of Long-term Potentiation
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Published on: June 26, 2013

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

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Related Experiment Videos

Last Updated: May 10, 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

Improved Preparation and Preservation of Hippocampal Mouse Slices for a Very Stable and Reproducible Recording of Long-term Potentiation
09:39

Improved Preparation and Preservation of Hippocampal Mouse Slices for a Very Stable and Reproducible Recording of Long-term Potentiation

Published on: June 26, 2013

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

Area of Science:

  • Cognitive Neuroscience
  • Neuroimaging
  • Memory Research

Background:

  • Future event imagination and past event recollection share neural networks.
  • The hippocampus shows heightened activity during future imagination compared to recollection.
  • The precise role of hippocampal activity in future imagination remains debated.

Purpose of the Study:

  • To investigate the specific functions of the hippocampus during the construction of imagined future events.
  • To differentiate between processes involved in novel imagination versus re-imagination.
  • To identify distinct hippocampal contributions to episodic future thinking.

Main Methods:

  • Functional magnetic resonance imaging (fMRI) was used to measure brain activity.
  • Participants engaged in tasks involving the initial construction ('imagine') versus re-construction ('re-imagine') of scenarios.
  • Statistical analyses controlled for novelty and subsequent memory effects.

Main Results:

  • A specific region within the posterior hippocampus demonstrated preferential activation for newly constructed imagined events.
  • This hippocampal activation was distinct from activity related to re-imagined events.
  • The findings were significant after accounting for novelty and memory encoding.

Conclusions:

  • The hippocampus supports multiple, related processes essential for imagining future events.
  • A distinct posterior hippocampal region plays a unique role in the constructive aspect of future imagination.
  • This research clarifies the hippocampus's contribution to episodic future thinking.