bioRxivNeurosciencePreprint
When and why grid cells appear or not in trained path integrators
Ben SorscheriD, Gabriel C. MeliD, Aran NayebiiD, Lisa Marie GiocomoiD, Daniel L. K. YaminsiD, Surya GanguliiD
Abstract
Recent work has claimed that the emergence of grid cells from trained path-integrator circuits is a more fragile phenomenon than previously reported. In this note we critically assess the main analysis and simulation results underlying this claim, within the proper context of previously published theoretical work. Our assessment reveals that the emergence of grid cells is entirely consistent with this prior theory: hexagonal grid cells robustly emerge precisely when prior theory predicts they should, and dont when prior theory predicts they should not.
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