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Related Experiment Video

Updated: Apr 1, 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

Plasticity in oscillatory coupling between hippocampus and cortex.

Kei M Igarashi¹

¹Kavli Institute for Systems Neuroscience and Centre for Neural Computation, Norwegian University of Science and Technology, Olav Kyrres gate 9, MTFS, 7491 Trondheim, Norway.

Current Opinion in Neurobiology

|October 2, 2015

Summary

This summary is machine-generated.

Plasticity in neural oscillations, like theta, beta, and gamma bands, enhances brain communication for memory. This study investigates how flexible oscillatory coupling in memory circuits aids learning and recall.

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Last Updated: Apr 1, 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

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Published on: June 29, 2018

Tuning in the Hippocampal Theta Band In Vitro: Methodologies for Recording from the Isolated Rodent Septohippocampal Circuit

Tuning in the Hippocampal Theta Band In Vitro: Methodologies for Recording from the Isolated Rodent Septohippocampal Circuit

Published on: August 2, 2017

Area of Science:

Neuroscience
Cognitive Science

Background:

Neural oscillations in local field potentials (LFP) reflect brain activity.
Oscillatory coupling between brain regions is hypothesized to improve neural communication and learning.
Previous research suggests plasticity in oscillatory coupling is vital for memory processing.

Purpose of the Study:

To investigate the role of plasticity in oscillatory coupling as a mechanism for inter-regional neural communication.
To explore the significance of entorhinal-hippocampal and prefrontal-hippocampal circuits in memory formation, control, and retrieval through oscillatory coupling plasticity.

Main Methods:

Analysis of local field potentials (LFP) to observe neural oscillations.
Examination of oscillatory coupling in theta, beta, and gamma frequency bands.
Focus on memory circuits including the hippocampus, entorhinal cortex, and prefrontal cortex.

Main Results:

Evidence for plasticity in oscillatory coupling within theta, beta, and gamma bands in memory circuits.
Demonstrated importance of oscillatory coupling plasticity in memory processing.
Identified entorhinal-hippocampal and prefrontal-hippocampal circuits as key areas for this plasticity.

Conclusions:

Plasticity in oscillatory coupling is a key mechanism for enhancing inter-regional neural communication in memory circuits.
This plasticity is crucial for the formation, control, and retrieval of memories.
Further research into oscillatory coupling plasticity can illuminate memory function and dysfunction.