Neural Networks, volume 116, pages 119-138
Phase relations of theta oscillations in a computer model of the hippocampal CA1 field: Key role of Schaffer collaterals
Publication type: Journal Article
Publication date: 2019-08-01
Journal:
Neural Networks
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor: 7.8
ISSN: 08936080, 18792782
Artificial Intelligence
Cognitive Neuroscience
Abstract
The hippocampal theta rhythm (4-12 Hz) is one of the most important electrophysiological processes in the hippocampus, it participates in cognitive hippocampal functions, such as navigation in space, novelty detection, and declarative memory. We use neural network modeling to study the mechanism of theta rhythm emergence in the CA1 microcircuitry. Our model of the CA1 field includes biophysical representation of major cell types related to the theta rhythm emergence: excitatory pyramidal cells and two types of inhibitory interneurons, PV+ basket cells and oriens lacunosum-moleculare (OLM) cells. The main inputs to the CA1 cells come from the entorhinal cortex via perforant pathway, the CA3 field via Schaffer collaterals, and the medial septum via fimbria-fornix. By computer simulations we investigated the influence of each input, intrinsic parameters of neurons, and connections between neurons on phase coupling between the theta rhythm and the firing of pyramidal, PV+ basket and OLM cells in the CA1. We found that the input from the CA3 field via Schaffercollaterals plays a major role in the formation of phase relations that have been observed in experiments in vivo. The direct input from the medial septum participates in the formation of proper phase relations, but it is not crucial for the production of the theta rhythm in CA1 neural populations.
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- We do not take into account publications that without a DOI.
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- Statistics recalculated weekly.
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Mysin I., Kitchigina V., Kazanovich Y. B. Phase relations of theta oscillations in a computer model of the hippocampal CA1 field: Key role of Schaffer collaterals // Neural Networks. 2019. Vol. 116. pp. 119-138.
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Mysin I., Kitchigina V., Kazanovich Y. B. Phase relations of theta oscillations in a computer model of the hippocampal CA1 field: Key role of Schaffer collaterals // Neural Networks. 2019. Vol. 116. pp. 119-138.
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TY - JOUR
DO - 10.1016/j.neunet.2019.04.004
UR - https://doi.org/10.1016%2Fj.neunet.2019.04.004
TI - Phase relations of theta oscillations in a computer model of the hippocampal CA1 field: Key role of Schaffer collaterals
T2 - Neural Networks
AU - Mysin, Ivan
AU - Kitchigina, V.F.
AU - Kazanovich, Yakov B.
PY - 2019
DA - 2019/08/01 00:00:00
PB - Elsevier
SP - 119-138
VL - 116
SN - 0893-6080
SN - 1879-2782
ER -
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@article{2019_Mysin,
author = {Ivan Mysin and V.F. Kitchigina and Yakov B. Kazanovich},
title = {Phase relations of theta oscillations in a computer model of the hippocampal CA1 field: Key role of Schaffer collaterals},
journal = {Neural Networks},
year = {2019},
volume = {116},
publisher = {Elsevier},
month = {aug},
url = {https://doi.org/10.1016%2Fj.neunet.2019.04.004},
pages = {119--138},
doi = {10.1016/j.neunet.2019.04.004}
}