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The Spatial Memory Game: Testing the Relationship Between Spatial Language, Object Knowledge, and Spatial Cognition
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The Spatial Memory Game: Testing the Relationship Between Spatial Language, Object Knowledge, and Spatial Cognition

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Spatial scaffold effects in event memory and imagination.

Jessica Robin1

  • 1Rotman Research Institute, Baycrest Health Sciences, Toronto, Canada.

Wiley Interdisciplinary Reviews. Cognitive Science
|February 28, 2018
PubMed
Summary
This summary is machine-generated.

Episodic memories rely on spatial context, supported by a common neural network. This posterior-medial brain network, including the hippocampus, scaffolds memory and imagination.

Keywords:
episodic memoryhippocampusimaginationmedial temporal lobesspatial context

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Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Memory Research

Background:

  • Episodic memories are intrinsically linked to specific spatiotemporal contexts.
  • Understanding the neural underpinnings of spatial context in memory is crucial for cognitive neuroscience.

Purpose of the Study:

  • To review research on the common neural basis of episodic and spatial memory.
  • To elucidate the role of spatial context as a scaffold for episodic memory and imagination.

Main Methods:

  • Literature review of behavioral and neural studies.
  • Analysis of evidence demonstrating the dependence of episodic memory on spatial representations.
  • Examination of the posterior-medial neocortical network and its interaction with the hippocampus.

Main Results:

  • Spatial context significantly scaffolds episodic memory and imagination.
  • A distinct posterior-medial network (parahippocampal cortex, retrosplenial cortex, posterior cingulate cortex, precuneus, angular gyrus) interacts with the hippocampus.
  • This network is critical for representing spatial context in recalled and imagined events.

Conclusions:

  • The hippocampus and posterior-medial network form a common neural basis for spatial and episodic memory.
  • Further research is needed on hippocampal subfield differentiation and network interactions.
  • Spatial representations are fundamental to episodic memory formation and retrieval.