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Role of Hippocampus in Memory

Role of Hippocampus in Memory

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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Related Experiment Video

Updated: Apr 20, 2026

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

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

Published on: August 11, 2019

Constructing, Perceiving, and Maintaining Scenes: Hippocampal Activity and Connectivity.

Peter Zeidman¹, Sinéad L Mullally¹, Eleanor A Maguire¹

¹Wellcome Trust Centre for Neuroimaging, Institute of Neurology, University College London, London WC1N 3BG, UK.

Cerebral Cortex (New York, N.Y. : 1991)

|November 19, 2014

Summary

This summary is machine-generated.

The hippocampus is crucial for imagining and perceiving scenes, with a specific region involved in both. This research distinguishes scene construction from working memory, revealing its unique brain network.

Keywords:

episodic memory fMRI hippocampus perception scene construction scenes

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Related Experiment Videos

Last Updated: Apr 20, 2026

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

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

Published on: August 11, 2019

Horizontal Hippocampal Slices of the Mouse Brain

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Published on: September 22, 2020

Investigations on Alterations of Hippocampal Circuit Function Following Mild Traumatic Brain Injury

Investigations on Alterations of Hippocampal Circuit Function Following Mild Traumatic Brain Injury

Published on: November 19, 2012

Area of Science:

Neuroscience
Cognitive Psychology

Background:

The hippocampus is traditionally linked to memory functions.
Emerging evidence suggests hippocampal involvement in processing and constructing visual scenes, independent of memory recall.
Patients with hippocampal damage exhibit deficits in recalling and imagining scenes.

Purpose of the Study:

To investigate the hippocampus's role in visually perceiving, imaginatively constructing, and mentally maintaining scenes.
To differentiate the neural processes of scene construction from working memory.
To identify the functional brain network associated with scene construction.

Main Methods:

Functional magnetic resonance imaging (fMRI) was used to measure hippocampal activity during scene perception, construction, and working memory tasks.
Analysis focused on hippocampal activation patterns and functional connectivity of the anterior medial hippocampus.

Main Results:

Extensive hippocampal activation was observed during scene perception.
A distinct subregion in the anterior medial hippocampus showed common activation for both scene perception and construction.
Scene construction exhibited stronger functional connectivity with a distributed network compared to scene perception.
Maintaining scenes in working memory elicited significantly less hippocampal activity.

Conclusions:

Identifies a specific hippocampal subregion critical for both perceiving and constructing scenes.
Delineates scene construction as a distinct cognitive process from working memory.
Reveals the unique functional network supporting scene construction, offering insights into lesion-induced deficits.