A model of grid cells based on a twisted torus topology.

by: A Guanella, D Kiper, P Verschure

International journal of neural systems, Vol. 17, No. 4. (August 2007), pp. 231-240.

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Abstract

The grid cells of the rat medial entorhinal cortex (MEC) show an increased firing frequency when the position of the animal correlates with multiple regions of the environment that are arranged in regular triangular grids. Here, we describe an artificial neural network based on a twisted torus topology, which allows for the generation of regular triangular grids. The association of the activity of pre-defined hippocampal place cells with entorhinal grid cells allows for a highly robust-to-noise calibration mechanism, suggesting a role for the hippocampal back-projections to the entorhinal cortex.

@article{citeulike:2954035, abstract = {The grid cells of the rat medial entorhinal cortex (MEC) show an increased firing frequency when the position of the animal correlates with multiple regions of the environment that are arranged in regular triangular grids. Here, we describe an artificial neural network based on a twisted torus topology, which allows for the generation of regular triangular grids. The association of the activity of pre-defined hippocampal place cells with entorhinal grid cells allows for a highly robust-to-noise calibration mechanism, suggesting a role for the hippocampal back-projections to the entorhinal cortex.}, address = {Institute of Neuroinformatics, Swiss Federal Institute of Technology (ETH), 190 Winterthurerstrasse, 8057 Z\"{u}rich, Switzerland. guanella@ini.phys.ethz.ch}, author = {Guanella, A. and Kiper, D. and Verschure, P. }, citeulike-article-id = {2954035}, issn = {0129-0657}, journal = {International journal of neural systems}, keywords = {cell-models, networks, neuro-connectivity, neuroethology, spatial-cognition}, month = {August}, number = {4}, pages = {231--240}, posted-at = {2008-07-02 23:28:05}, priority = {2}, title = {A model of grid cells based on a twisted torus topology.}, url = {http://view.ncbi.nlm.nih.gov/pubmed/17696288}, volume = {17}, year = {2007} }

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TY - JOUR ID - citeulike:2954035 L3 - citeulike-article-id:2954035 TI - A model of grid cells based on a twisted torus topology. JF - International journal of neural systems VL - 17 IS - 4 SP - 231 EP - 240 AD - Institute of Neuroinformatics, Swiss Federal Institute of Technology (ETH), 190 Winterthurerstrasse, 8057 Zürich, Switzerland. guanella@ini.phys.ethz.ch SN - 0129-0657 N2 - The grid cells of the rat medial entorhinal cortex (MEC) show an increased firing frequency when the position of the animal correlates with multiple regions of the environment that are arranged in regular triangular grids. Here, we describe an artificial neural network based on a twisted torus topology, which allows for the generation of regular triangular grids. The association of the activity of pre-defined hippocampal place cells with entorhinal grid cells allows for a highly robust-to-noise calibration mechanism, suggesting a role for the hippocampal back-projections to the entorhinal cortex. KW - cell-models KW - networks KW - neuro-connectivity KW - neuroethology KW - spatial-cognition AU - Guanella, A AU - Kiper, D AU - Verschure, P PY - 2007/08// UR - http://view.ncbi.nlm.nih.gov/pubmed/17696288 ER -

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