Motion processing with two eyes in three dimensions

Bas Rokers, Thaddeus B. Czuba, Lawrence K. Cormack, Alexander C. Huk

Research output: Contribution to journalArticle

Abstract

The movement of an object toward or away from the head is perhaps the most critical piece of information an organism can extract from its environment. Such 3D motion produces horizontally opposite motions on the two retinae. Little is known about how or where the visual system combines these two retinal motion signals, relative to the wealth of knowledge about the neural hierarchies involved in 2D motion processing and binocular vision. Canonical conceptions of primate visual processing assert that neurons early in the visual system combine monocular inputs into a single cyclopean stream (lacking eye-of-origin information) and extract 1D ("component") motions; later stages then extract 2D pattern motion from the cyclopean output of the earlier stage. Here, however, we show that 3D motion perception is in fact affected by the comparison of opposite 2D pattern motions between the two eyes. Three-dimensional motion sensitivity depends systematically on pattern motion direction when dichoptically viewing gratings and plaids-and a novel "dichoptic pseudoplaid" stimulus provides strong support for use of interocular pattern motion differences by precluding potential contributions from conventional disparity-based mechanisms. These results imply the existence of eye-of-origin information in later stages of motion processing and therefore motivate the incorporation of such eye-specific pattern-motion signals in models of motion processing and binocular integration.

Original languageEnglish (US)
Pages (from-to)1-19
Number of pages19
JournalJournal of Vision
Volume11
Issue number2
DOIs
StatePublished - Oct 20 2011

Fingerprint

Motion Perception
Binocular Vision
Primates
Retina
Head
Neurons
Direction compound

Keywords

  • Binocular vision
  • Detection/discrimination
  • Motion-2D
  • Motion-3D
  • Visual cortex

ASJC Scopus subject areas

  • Ophthalmology
  • Sensory Systems

Cite this

Rokers, B., Czuba, T. B., Cormack, L. K., & Huk, A. C. (2011). Motion processing with two eyes in three dimensions. Journal of Vision, 11(2), 1-19. https://doi.org/10.1167/11.2.1

Motion processing with two eyes in three dimensions. / Rokers, Bas; Czuba, Thaddeus B.; Cormack, Lawrence K.; Huk, Alexander C.

In: Journal of Vision, Vol. 11, No. 2, 20.10.2011, p. 1-19.

Research output: Contribution to journalArticle

Rokers, B, Czuba, TB, Cormack, LK & Huk, AC 2011, 'Motion processing with two eyes in three dimensions', Journal of Vision, vol. 11, no. 2, pp. 1-19. https://doi.org/10.1167/11.2.1
Rokers B, Czuba TB, Cormack LK, Huk AC. Motion processing with two eyes in three dimensions. Journal of Vision. 2011 Oct 20;11(2):1-19. https://doi.org/10.1167/11.2.1
Rokers, Bas ; Czuba, Thaddeus B. ; Cormack, Lawrence K. ; Huk, Alexander C. / Motion processing with two eyes in three dimensions. In: Journal of Vision. 2011 ; Vol. 11, No. 2. pp. 1-19.
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