Skip to main content

Grid Cell Responses in 1D Environments Assessed as Slices through a 2D Lattice

Author(s): Yoon, KiJung; Lewallen, Sam; Kinkhabwala, Amina A; Tank, David W; Fiete, Ila R

To refer to this page use:
Abstract: Grid cells, defined by their striking periodic spatial responses in open 2D arenas, appear to respond differently on 1D tracks: the multiple response fields are not periodically arranged, peak amplitudes vary across fields, and the mean spacing between fields is larger than in 2D environments. We ask whether such 1D responses are consistent with the system’s 2D dynamics. Combining analytical and numerical methods, we show that the 1D responses of grid cells with stable 1D fields are consistent with a linear slice through a 2D triangular lattice. Further, the 1D responses of comodular cells are well described by parallel slices, and the offsets in the starting points of the 1D slices can predict the measured 2D relative spatial phase between the cells. From these results, we conclude that the 2D dynamics of these cells is preserved in 1D, suggesting a common computation during both types of navigation behavior.
Publication Date: 2-Mar-2016
Citation: Yoon, KiJung, Lewallen, Sam, Kinkhabwala, Amina A, Tank, David W, Fiete, Ila R. (2016). Grid Cell Responses in 1D Environments Assessed as Slices through a 2D Lattice. Neuron, 89 (5), 1086 - 1099. doi:10.1016/j.neuron.2016.01.039
DOI: doi:10.1016/j.neuron.2016.01.039
ISSN: 0896-6273
Pages: 1086 - 1099
Type of Material: Journal Article
Journal/Proceeding Title: Neuron
Version: Author's manuscript

Items in OAR@Princeton are protected by copyright, with all rights reserved, unless otherwise indicated.