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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editors: Andrew Dunn and Anthony Durkin
  • Vol. 7, Iss. 3 — Feb. 29, 2012

Spatiotemporal receptive fields of cells in V1 are optimally shaped for stimulus velocity estimation

Giacomo Cocci, Davide Barbieri, and Alessandro Sarti  »View Author Affiliations


JOSA A, Vol. 29, Issue 1, pp. 130-138 (2012)
http://dx.doi.org/10.1364/JOSAA.29.000130


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Abstract

In recent literature, particularly interesting stimulus velocity-selective behaviors were found in the response properties of neurons belonging to the primary visual cortex (V1). In this work, 93 simple and complex cell receptive fields were obtained from the recordings of different experiments made on cats (DeAngelis, Blanche, Touryan) with reverse correlation and the spike-triggered covariance methods and then fitted with a three-dimensional Gabor model, so that cells are seen as minimizers of the Heisenberg uncertainty principle over both space and time. Analysis of the model parameters’ cortical distribution suggests that V1 is spatiotemporally organized to maximize the resolution on the stimulus velocity measure.

© 2012 Optical Society of America

OCIS Codes
(330.4060) Vision, color, and visual optics : Vision modeling
(330.4150) Vision, color, and visual optics : Motion detection
(330.6180) Vision, color, and visual optics : Spectral discrimination

ToC Category:
Vision, Color, and Visual Optics

History
Original Manuscript: April 21, 2011
Revised Manuscript: October 25, 2011
Manuscript Accepted: October 25, 2011
Published: December 23, 2011

Virtual Issues
Vol. 7, Iss. 3 Virtual Journal for Biomedical Optics

Citation
Giacomo Cocci, Davide Barbieri, and Alessandro Sarti, "Spatiotemporal receptive fields of cells in V1 are optimally shaped for stimulus velocity estimation," J. Opt. Soc. Am. A 29, 130-138 (2012)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=josaa-29-1-130

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