June 2006
Volume 6, Issue 6
Free
Vision Sciences Society Annual Meeting Abstract  |   June 2006
Minimal physiological conditions for binocular rivalry
Author Affiliations
  • Hugh R. Wilson
    Centre for Vision Research, York University, Toronto, Canada
Journal of Vision June 2006, Vol.6, 820. doi:10.1167/6.6.820
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      Hugh R. Wilson; Minimal physiological conditions for binocular rivalry. Journal of Vision 2006;6(6):820. doi: 10.1167/6.6.820.

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

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Abstract

Binocular rivalry entails a perceptual alternation between incompatible stimuli presented to the two eyes. A minimal explanation for binocular rivalry involves strong competitive inhibition between neurons responding to different monocular stimuli to preclude simultaneous activity in the two groups. In addition, strong self-adaptation of dominant neurons is necessary to enable suppressed neurons to become dominant in turn. Here a minimal nonlinear neural model is developed incorporating inhibition, self-adaptation, and recurrent excitation. The model permits derivation of an equation for mean dominance duration as a function of the underlying physiological variables. This dominance duration equation incorporates an explicit representation of Levelt's second law. The same equation also shows that introduction of a simple compressive neuronal response nonlinearity can explain Levelt's fourth law. Finally, the model generates a simple form of perceptual memory with properties related to rivalry memory.

Wilson, H. R. (2006). Minimal physiological conditions for binocular rivalry [Abstract]. Journal of Vision, 6(6):820, 820a, http://journalofvision.org/6/6/820/, doi:10.1167/6.6.820. [CrossRef]
Footnotes
 Supported in part by NSERC
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