The Role of Grid Cells in Reducing Spatial Aliasing in Hippocampal Place Representations
Read the original on arXiv AI →The article investigates how grid cells can reduce spatial aliasing in hippocampal place representations that arise when boundary vector cell (BVC) inputs alone produce indistinguishable sensory patterns across multiple locations. By integrating analytically constructed grid cell modules with BVC-driven place cells, the study demonstrates a 94–99% reduction in spatial aliasing across three environments, with the greatest improvement in the most visually symmetric maze. The results show that grid cells provide complementary spatial signals that disambiguate perceptually identical locations.
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