June 2017
Volume 17, Issue 7
Open Access
OSA Fall Vision Meeting Abstract  |   June 2017
Softwired cortical color opponency via winner-take-all competition among spiking neurons
Journal of Vision June 2017, Vol.17, 48. doi:https://doi.org/10.1167/17.7.48
  • Views
  • Share
  • Tools
    • Alerts
      This feature is available to authenticated users only.
      Sign In or Create an Account ×
    • Get Citation

      Vincent A. Billock; Softwired cortical color opponency via winner-take-all competition among spiking neurons. Journal of Vision 2017;17(7):48. doi: https://doi.org/10.1167/17.7.48.

      Download citation file:

      © ARVO (1962-2015); The Authors (2016-present)

  • Supplements

Motivated by perception of reddish green and bluish yellow in retinally stabilized equiluminant images, Billock et al. (2001) created a softwired disruptable winner-take-all (WTA) model of cortical color opponency. This toy model was grounded in population dynamics and had variables representing neural response strength. A more realistic neural model is desirable. Wilson's model of spiking cortical neurons was employed and the simulated cortical neurons were coupled using inhibitory synapses and were driven by wavelength-selective geniculate cell spike rates from DeValois et al. Two candidate spiking WTA networks had different dynamic characteristics - each has potential applications to neural modeling. The WTA networks produce r-g and y-b opponent spike rates, which are converted into perceptual responses using Naka-Rushton-like functions derived from DeValois et al. and behavioral data. The resultant sensitivity-based opponent responses resemble Werner & Wooten's opponent average observer data.

Meeting abstract presented at the 2016 OSA Fall Vision Meeting

Billock, , Gleason, , Tsou, 2001. JOSA A 182389–2403
DeValois, , Abramov, , Jacobs, 1966. JOSA 56966–977 [CrossRef]
Werner, , Wooten, 1979. Perception & Psychophysics 69422–434
Wilson, 1999. Spikes, Decision and ActionsCambridge U Press
 Supported by NSF #1456650.

This PDF is available to Subscribers Only

Sign in or purchase a subscription to access this content. ×

You must be signed into an individual account to use this feature.