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Pattern Completion and Rate Remapping in Retrosplenial Cortex
Zaneta Navratilova1, Dhruba Banerjee1, Fjolla Muqolli1
1University of California-Irvine.
Research Square
|April 24, 2023
Summary
The retrosplenial cortex (RSC) and hippocampus (CA1) show similar memory and remapping properties. These findings suggest that cortical networks effectively store and update memories, supporting overall cognitive function.
Area of Science:
- Neuroscience
- Cognitive Neuroscience
- Systems Neuroscience
Background:
- Understanding memory encoding, storage, and updating in cortical networks remains a significant challenge.
- Retrosplenial cortex (RSC) neurons exhibit position-correlated activity (PCCs) during navigation, which depend on the hippocampus.
- It is unclear if RSC PCCs exhibit pattern completion and remapping, similar to hippocampal cells.
Conclusions:
- Memory and remapping properties are conserved between the retrosplenial cortex (RSC) and the hippocampus (CA1).
- These findings suggest that functional properties related to memory are transmitted from the hippocampus to the cortex.
- The retrosplenial cortex plays a crucial role in supporting memory functions through conserved hippocampal-like properties.
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