Adaptation to natural binocular disparities in primate V1 explained by a generalized energy model

Neuron
Ralf M Haefner, B G Cumming

Abstract

Sensory processing in the brain is thought to have evolved to encode naturally occurring stimuli efficiently. We report an adaptation in binocular cortical neurons that reflects the tight constraints imposed by the geometry of 3D vision. We show that the widely used binocular energy model predicts that neurons dedicate part of their dynamic range to impossible combinations of left and right images. Approximately 42% of the neurons we record from V1 of awake monkeys behave in this way (a powerful confirmation of the model), while about 58% deviate from the model in a manner that concentrates more of their dynamic range on stimuli that obey the constraints of binocular geometry. We propose a simple extension of the energy model, using multiple subunits, that explains the adaptation we observe, as well as other properties of binocular neurons that have been hard to account for, such as the response to anti-correlated stereograms.

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Citations

Dec 17, 2008·Journal of Neurophysiology·C E BredfeldtB G Cumming
Sep 11, 2010·PloS One·Jenny C A ReadAndrew J Parker
Dec 18, 2013·PloS One·Fernanda da C E C FariaHelder Araújo
Feb 15, 2013·The Journal of Neuroscience : the Official Journal of the Society for Neuroscience·Jason M SamondsTai Sing Lee
Oct 31, 2008·The Journal of Neuroscience : the Official Journal of the Society for Neuroscience·Seiji Tanabe, Bruce G Cumming
Jun 3, 2011·The Journal of Neuroscience : the Official Journal of the Society for Neuroscience·Seiji TanabeBruce G Cumming
Nov 29, 2013·The Journal of Neuroscience : the Official Journal of the Society for Neuroscience·Christian QuaiaBruce G Cumming
Jan 7, 2016·Frontiers in Computational Neuroscience·Xian-Shi ZhangYong-Jie Li
Jun 8, 2013·Current Biology : CB·Jenny Read, Fredrik Allenmark
Nov 2, 2014·Frontiers in Computational Neuroscience·Takahiro Doi, Ichiro Fujita
Jun 9, 2016·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Sid HenriksenBruce Cumming
Jun 9, 2016·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Ichiro Fujita, Takahiro Doi
Jun 25, 2015·PloS One·Jaime A MartinsHans du Buf
Jun 21, 2017·Current Biology : CB·Jenny C A Read, Bruce G Cumming
Feb 5, 2016·Journal of Neurophysiology·Mohammad Abdolrahmani اIchiro Fujita
May 24, 2017·Annual Review of Vision Science·Andrew E Welchman
Oct 28, 2019·Frontiers in Computational Neuroscience·Cherlyn J Ng, Dale Purves

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