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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Vol. 18, Iss. 9 — Sep. 1, 2001
  • pp: 2331–2370

Three-systems theory of human visual motion perception: review and update

Zhong-Lin Lu and George Sperling  »View Author Affiliations


JOSA A, Vol. 18, Issue 9, pp. 2331-2370 (2001)
http://dx.doi.org/10.1364/JOSAA.18.002331


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Abstract

LuSperling [Vision Res. 35, 2697 (1995)] proposed that human visual motion perception is served by three separate motion systems: a first-order system that responds to moving luminance patterns, a second-order system that responds to moving modulations of feature types—stimuli in which the expected luminance is the same everywhere but an area of higher contrast or of flicker moves, and a third-order system that computes the motion of marked locations in a “salience map,” that is, a neural representation of visual space in which the locations of important visual features (“figure”) are marked and “ground” is unmarked. Subsequently, there have been some strongly confirmatory reports: different gain-control mechanisms for first- and second-order motion, selective impairment of first- versus second- and/or third-order motion by different brain injuries, and the classification of new third-order motions, e.g., isoluminant chromatic motion. Various procedures have successfully discriminated between second- and third-order motion (when first-order motion is excluded): dual tasks, second-order reversed phi, motion competition, and selective adaptation. Meanwhile, eight apparent contradictions to the three-systems theory have been proposed. A review and reanalysis here of the new evidence, pro and con, resolves the challenges and yields a more clearly defined and significantly strengthened theory.

© 2001 Optical Society of America

OCIS Codes
(330.4150) Vision, color, and visual optics : Motion detection

History
Original Manuscript: January 24, 2001
Revised Manuscript: May 22, 2001
Manuscript Accepted: May 22, 2001
Published: September 1, 2001

Citation
Zhong-Lin Lu and George Sperling, "Three-systems theory of human visual motion perception: review and update," J. Opt. Soc. Am. A 18, 2331-2370 (2001)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-18-9-2331

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