Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

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...

Functional Brain Systems: Limbic System

Functional Brain Systems: Limbic System

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...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Neural mechanisms of error-driven learning in retrieval practice: confidence gates memory and metamemory networks.

Philosophical transactions of the Royal Society of London. Series B, Biological sciences·2026

Same author

Synaptic Plasticity as a Function of the Temporal Derivative.

bioRxiv : the preprint server for biology·2026

Same author

Natural language processing captures memory content associated with shared neural patterns at encoding and retrieval.

Communications psychology·2026

Same author

Guess quality moderates how semantic relatedness influences the pretesting effect.

Journal of experimental psychology. Learning, memory, and cognition·2025

Same author

Anticipatory eye gaze as a marker of memory.

Communications psychology·2025

Same author

Saccades track visual associative memory processes with precision and sensitivity.

Brain communications·2025

Search research articles

Related Experiment Video

Updated: Aug 26, 2025

Combined Mechanical and Enzymatic Dissociation of Mouse Brain Hippocampal Tissue

Combined Mechanical and Enzymatic Dissociation of Mouse Brain Hippocampal Tissue

Published on: October 21, 2021

Correcting the hebbian mistake: Toward a fully error-driven hippocampus.

Yicong Zheng^1,2, Xiaonan L Liu³, Satoru Nishiyama^4,5

¹Department of Psychology, University of California, Davis, California, United States of America.

Plos Computational Biology

|October 11, 2022

Summary

This study introduces Theremin, a novel computational model for hippocampal memory. Theremin utilizes error-driven learning to enhance memory capacity and speed, outperforming traditional Hebbian learning models.

More Related Videos

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

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

Related Experiment Videos

Last Updated: Aug 26, 2025

Combined Mechanical and Enzymatic Dissociation of Mouse Brain Hippocampal Tissue

Combined Mechanical and Enzymatic Dissociation of Mouse Brain Hippocampal Tissue

Published on: October 21, 2021

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

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

Area of Science:

Neuroscience
Computational Neuroscience
Cognitive Science

Background:

The hippocampus is crucial for episodic memory formation.
Hebbian learning models, while common, are suboptimal for memory retrieval.
Previous models used error-driven learning in CA1 and entorhinal cortex (EC).

Purpose of the Study:

To propose a new computational model, Theremin, extending error-driven learning to hippocampal area CA3.
To investigate Theremin's effectiveness in improving memory capacity and learning speed.
To provide a biologically plausible mechanism for error-driven learning in the hippocampus.

Main Methods:

Developed the Theremin (Total Hippocampal ERror MINimization) model.
Modeled CA3 responding to EC input with a temporal difference via dentate gyrus (DG).
Compared Theremin's performance against a Hebbian-based model.

Main Results:

Theremin demonstrated significantly increased memory capacity compared to the Hebbian model.
The model showed enhanced learning speed.
Error-driven learning in CA3, guided by DG, reduced pattern interference.

Conclusions:

Theremin offers a more effective computational framework for hippocampal memory than Hebbian learning.
The model provides a biologically plausible explanation for error-driven learning in the hippocampus.
Theremin generates testable predictions for future neuroscientific research.