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Nat Neurosci. 2018 Feb;21(2):188-190. doi: 10.1038/s41593-017-0050-8. Epub 2018 Jan 8.

Hexadirectional coding of visual space in human entorhinal cortex.

Author information

1
Kavli Institute for Systems Neuroscience, Centre for Neural Computation, The Egil and Pauline Braathen and Fred Kavli Centre for Cortical Microcircuits, NTNU, Norwegian University of Science and Technology, Trondheim, Norway. matthias.nau@ntnu.no.
2
Donders Institute for Brain, Cognition and Behaviour, Radboud University, Nijmegen, The Netherlands. matthias.nau@ntnu.no.
3
Kavli Institute for Systems Neuroscience, Centre for Neural Computation, The Egil and Pauline Braathen and Fred Kavli Centre for Cortical Microcircuits, NTNU, Norwegian University of Science and Technology, Trondheim, Norway.
4
Donders Institute for Brain, Cognition and Behaviour, Radboud University, Nijmegen, The Netherlands.
5
Kavli Institute for Systems Neuroscience, Centre for Neural Computation, The Egil and Pauline Braathen and Fred Kavli Centre for Cortical Microcircuits, NTNU, Norwegian University of Science and Technology, Trondheim, Norway. christian.doeller@ntnu.no.
6
Donders Institute for Brain, Cognition and Behaviour, Radboud University, Nijmegen, The Netherlands. christian.doeller@ntnu.no.
7
St. Olavs Hospital, Trondheim University Hospital, Trondheim, Norway. christian.doeller@ntnu.no.

Abstract

Entorhinal grid cells map the local environment, but their involvement beyond spatial navigation remains elusive. We examined human functional MRI responses during a highly controlled visual tracking task and show that entorhinal cortex exhibited a sixfold rotationally symmetric signal encoding gaze direction. Our results provide evidence for a grid-like entorhinal code for visual space and suggest a more general role of the entorhinal grid system in coding information along continuous dimensions.

PMID:
29311746
DOI:
10.1038/s41593-017-0050-8

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