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Nat Neurosci. 2018 Feb;21(2):191-194. doi: 10.1038/s41593-017-0049-1. Epub 2018 Jan 8.

Human entorhinal cortex represents visual space using a boundary-anchored grid.

Author information

1
Department of Psychology, University of Pennsylvania, Philadelphia, PA, USA. joshua.b.julian@gmail.com.
2
Department of Psychology, University of Pennsylvania, Philadelphia, PA, USA.
3
Department of Psychology, University of Pennsylvania, Philadelphia, PA, USA. epstein@psych.upenn.edu.

Abstract

When participants performed a visual search task, functional MRI responses in entorhinal cortex exhibited a sixfold periodic modulation by gaze-movement direction. The orientation of this modulation was determined by the shape and orientation of the bounded search space. These results indicate that human entorhinal cortex represents visual space using a boundary-anchored grid, analogous to that used by rodents to represent navigable space.

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PMID:
29311745
PMCID:
PMC5801057
DOI:
10.1038/s41593-017-0049-1
[Indexed for MEDLINE]
Free PMC Article

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