A boundary vector cell model of place field repetition |
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| Authors: | Roddy M Grieves Éléonore Duvelle Paul A Dudchenko |
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| Institution: | 1. Institute of Behavioural Neuroscience, Department of Experimental Psychology, University College London, London, UK;2. School of Natural Sciences, University of Stirling, Stirling, UK;3. Centre for Cognitive and Neural Systems, Edinburgh Medical School: Biomedical Sciences, University of Edinburgh, Edinburgh, UK |
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| Abstract: | Hippocampal place cells are thought to form the neural substrate of a global cognitive map. However, in multicompartment mazes, these cells exhibit locally repeating representations, undermining the global cognitive map view of place cells. This phenomenon appears to be related to the repetitive layout of these mazes, but still no hypothesis adequately explains it. Here, we use a boundary vector cell (BVC) model of place cell firing to model the activity of place cells in numerous multicompartment environments. The activity of modeled place cells bears a striking resemblance to experimental data, replicating virtually every major experimental result. Our results support the BVC model and indicate that locally repeating place cell firing could result purely from local geometry. |
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| Keywords: | place cell boundary vector cell computational model border cell field repetition fragmentation multicompartment |
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