Replays of spatial memories suppress topological fluctuations in cognitive map
Abstract
The spiking activity of the hippocampal place cells plays a key role in producing and sustaining an internalized representation of the ambient space—a cognitive map. These cells do not only exhibit location-specific spiking during navigation, but also may rapidly replay the navigated routs through endogenous dynamics of the hippocampal network. Physiologically, such reactivations are viewed as manifestations of “memory replays” that help to learn new information and to consolidate previously acquired memories by reinforcing synapses in the parahippocampal networks. Below we propose a computational model of these processes that allows assessing the effect of replays on acquiring a robust topological map of the environment and demonstrate that replays may play a key role in stabilizing the hippocampal representation of space.
- Authors:
-
- Rice Univ., Houston, TX (United States). Dept. of Computational and Applied Mathematics
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Rice Univ., Houston, TX (United States). Dept. of Computational and Applied Mathematics; Univ. of Texas McGovern Medical School, Houston, TX (United States). Dept. of Neurology
- Publication Date:
- Research Org.:
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC)
- OSTI Identifier:
- 1560577
- Grant/Contract Number:
- AC02-05CH11231
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Network Neuroscience
- Additional Journal Information:
- Journal Volume: 3; Journal Issue: 3; Journal ID: ISSN 2472-1751
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 60 APPLIED LIFE SCIENCES; Learning and memory; Hippocampal replays; Transient networks; Zigzag homology theory
Citation Formats
Babichev, Andrey, Morozov, Dmitriy, and Dabaghian, Yuri. Replays of spatial memories suppress topological fluctuations in cognitive map. United States: N. p., 2019.
Web. doi:10.1162/netn_a_00076.
Babichev, Andrey, Morozov, Dmitriy, & Dabaghian, Yuri. Replays of spatial memories suppress topological fluctuations in cognitive map. United States. https://doi.org/10.1162/netn_a_00076
Babichev, Andrey, Morozov, Dmitriy, and Dabaghian, Yuri. Tue .
"Replays of spatial memories suppress topological fluctuations in cognitive map". United States. https://doi.org/10.1162/netn_a_00076. https://www.osti.gov/servlets/purl/1560577.
@article{osti_1560577,
title = {Replays of spatial memories suppress topological fluctuations in cognitive map},
author = {Babichev, Andrey and Morozov, Dmitriy and Dabaghian, Yuri},
abstractNote = {The spiking activity of the hippocampal place cells plays a key role in producing and sustaining an internalized representation of the ambient space—a cognitive map. These cells do not only exhibit location-specific spiking during navigation, but also may rapidly replay the navigated routs through endogenous dynamics of the hippocampal network. Physiologically, such reactivations are viewed as manifestations of “memory replays” that help to learn new information and to consolidate previously acquired memories by reinforcing synapses in the parahippocampal networks. Below we propose a computational model of these processes that allows assessing the effect of replays on acquiring a robust topological map of the environment and demonstrate that replays may play a key role in stabilizing the hippocampal representation of space.},
doi = {10.1162/netn_a_00076},
journal = {Network Neuroscience},
number = 3,
volume = 3,
place = {United States},
year = {Tue Jan 01 00:00:00 EST 2019},
month = {Tue Jan 01 00:00:00 EST 2019}
}
Figures / Tables:
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Gamma Synchronization Influences Map Formation Time in a Topological Model of Spatial Learning
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Robust spatial memory maps encoded by networks with transient connections
journal, September 2018
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Interplay between Short- and Long-Term Plasticity in Cell-Assembly Formation
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Topological Schemas of Memory Spaces
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The hippocampus and inferential reasoning: building memories to navigate future decisions
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Works referencing / citing this record:
Editorial: Topological Neuroscience
journal, January 2019
- Expert, Paul; Lord, Louis-David; Kringelbach, Morten L.
- Network Neuroscience, Vol. 3, Issue 3
Figures / Tables found in this record: