Florian Mormann
Scene-selective coding by single neurons in the human parahippocampal cortex
Mormann, Florian; Kornblith, Simon; Cerf, Moran; Ison, Matias J.; Kraskov, Alexander; Tran, Michelle; Knieling, Simeon; Quian Quiroga, Rodrigo; Koch, Christof; Fried, Itzhak
Authors
Simon Kornblith
Moran Cerf
Dr MATIAS ISON MATIAS.ISON@NOTTINGHAM.AC.UK
Associate Professor
Alexander Kraskov
Michelle Tran
Simeon Knieling
Rodrigo Quian Quiroga
Christof Koch
Itzhak Fried
Abstract
Imaging, electrophysiological, and lesion studies have shown a relationship between the parahippocampal cortex (PHC) and the processing of spatial scenes. Our present knowledge of PHC, however, is restricted to the macroscopic properties and dynamics of bulk tissue; the behavior and selectivity of single parahippocampal neurons remains largely unknown. In this study, we analyzed responses from 630 parahippocampal neurons in 24 neurosurgical patients during visual stimulus presentation. We found a spatially clustered subpopulation of scene-selective units with an associated event-related field potential. These units form a population code that is more distributed for scenes than for other stimulus categories, and less sparse than elsewhere in the medial temporal lobe. Our electrophysiological findings provide insight into how individual units give rise to the population response observed with functional imaging in the parahippocampal place area.
Citation
Mormann, F., Kornblith, S., Cerf, M., Ison, M. J., Kraskov, A., Tran, M., …Fried, I. (2017). Scene-selective coding by single neurons in the human parahippocampal cortex. Proceedings of the National Academy of Sciences, 114(5), https://doi.org/10.1073/pnas.1608159113
Journal Article Type | Article |
---|---|
Acceptance Date | Nov 4, 2016 |
Online Publication Date | Jan 17, 2017 |
Publication Date | Jan 31, 2017 |
Deposit Date | Jul 31, 2017 |
Publicly Available Date | Mar 29, 2024 |
Journal | Proceedings of the National Academy of Sciences |
Print ISSN | 0027-8424 |
Electronic ISSN | 1091-6490 |
Publisher | National Academy of Sciences |
Peer Reviewed | Peer Reviewed |
Volume | 114 |
Issue | 5 |
DOI | https://doi.org/10.1073/pnas.1608159113 |
Keywords | Electrophysiology, Single units, Scene selectivity, Population code |
Public URL | https://nottingham-repository.worktribe.com/output/838422 |
Publisher URL | https://doi.org/10.1073/pnas.1608159113 |
Files
PNAS-2017-Mormann-1153-8.pdf
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Copyright Statement
Copyright information regarding this work can be found at the following address: http://eprints.nottingham.ac.uk/end_user_agreement.pdf
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