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Related Concept Videos

Role of Hippocampus in Memory01:19

Role of Hippocampus in Memory

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The hippocampus, a critical brain structure, plays an essential role in memory processing, particularly in the formation and retrieval of memory. This small, seahorse-shaped region is located within the medial temporal lobe, with one hippocampus in each brain hemisphere. Experimental studies involving lesions in the hippocampi of rats have demonstrated significant impairments in tasks such as object recognition and maze navigation, indicating the hippocampus involvement in both recognition and...
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Functional Brain Systems: Limbic System01:15

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The limbic system, often called the "emotional brain," is a complex set of structures located deep within the brain. The intricate network of the limbic system supports a wide range of psychological functions, from emotional regulation to memory formation and sensory processing. This functional brain region encompasses specific parts of the diencephalon and the cerebrum, integrating the higher mental functions of the cerebral cortex with the primitive emotional responses of the deep brain...
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Related Experiment Video

Updated: Feb 24, 2026

Horizontal Hippocampal Slices of the Mouse Brain
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Horizontal Hippocampal Slices of the Mouse Brain

Published on: September 22, 2020

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Time (and space) in the hippocampus.

Howard Eichenbaum1

  • 1Center for Memory and Brain, Boston University, 2 Cummington Mall, Boston MA 02215.

Current Opinion in Behavioral Sciences
|August 26, 2017
PubMed
Summary
This summary is machine-generated.

The hippocampus is crucial for organizing memories in time, not just space. This involves a changing temporal context signal and specialized "time cells" within the hippocampus.

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Area of Science:

  • Neuroscience
  • Cognitive Science
  • Memory Research

Background:

  • The hippocampus is known for spatial representation.
  • Recent evidence suggests a role in temporal memory organization.
  • Episodic memory relies heavily on temporal sequencing.

Purpose of the Study:

  • To explore the hippocampus's role in temporal memory organization.
  • To understand the neural mechanisms underlying temporal context representation.

Main Methods:

  • Review of recent evidence on hippocampal function.
  • Analysis of studies on temporal organization in humans and animals.
  • Investigation of neural circuitry and oscillatory patterns.

Main Results:

  • The hippocampus represents the temporal order of memories.
  • A changing temporal context signal supports this organization.
  • Hippocampal 'time cells' encode sequential moments.

Conclusions:

  • The hippocampus plays an essential role in temporal memory.
  • Temporal context is represented by a dynamic signal and time cells.
  • These mechanisms depend on hippocampal circuitry and cortical inputs.