June 2006
Volume 6, Issue 6
Vision Sciences Society Annual Meeting Abstract  |   June 2006
A Pareto-optimality theory of motion perception
Author Affiliations
  • Sergei Gepshtein
    Laboratory for Perceptual Dynamics, Brain Science Institute, RIKEN, Japan
  • Ivan Tyukin
    Laboratory for Perceptual Dynamics, Brain Science Institute, RIKEN, Japan
  • Michael Kubovy
    Department of Psychology, University of Virginia, USA
  • Cees van Leeuwen
    Laboratory for Perceptual Dynamics, Brain Science Institute, RIKEN, Japan
Journal of Vision June 2006, Vol.6, 577. doi:https://doi.org/10.1167/6.6.577
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      Sergei Gepshtein, Ivan Tyukin, Michael Kubovy, Cees van Leeuwen; A Pareto-optimality theory of motion perception. Journal of Vision 2006;6(6):577. https://doi.org/10.1167/6.6.577.

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

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In previous work we found that Korte's law and other characterizations of apparent motion are special cases of a simple new law (Gepshtein & Kubovy, 2003; Gepshtein, Kubovy, & Tyukin, under review), which is consistent with what is known about human sensitivity to continuous motion, summarized by Kelly's (1979) spatiotemporal threshold surface. Our goal is to explain Kelly's surface and our results.

We propose that visual sensitivities are allocated in accordance with a Pareto criterion of optimality, first proposed in economics in 1906. According to the Pareto criterion, uncertainties due to different sources are balanced such that no improvement can be achieved by decreasing losses due one source of uncertainty without increasing losses due to another. To satisfy the criterion, the parameters of the most sensitive motion detectors must tradeoff: detectors tuned to high speeds must be tuned to low spatial frequencies and high temporal frequencies, whereas detectors tuned to low speeds must be tuned to high spatial frequencies and low temporal frequencies, just as they are in human vision (Burr & Ross, 1982; van Doorn & Koenderink, 1982; Nakayama, 1985). To achieve a constant error of speed estimation across speeds (Weber's law), the sensitivities of those detectors must be scaled logarithmically (Nover, Anderson, & DeAngelis, 2005). This induces an order across the space of prameters, such that the conditions of isosensitivity must be distributed as described by Kelly's surface and our results on apparent motion.

Gepshtein, S. Tyukin, I. Kubovy, M. van Leeuwen, C. (2006). A Pareto-optimality theory of motion perception [Abstract]. Journal of Vision, 6(6):577, 577a, http://journalofvision.org/6/6/577/, doi:10.1167/6.6.577. [CrossRef]
 MK was supported by NEI and NIDCD to University of Virginia.

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