Contributions of binocular and monocular cues to motion-indepth perception

Lowell Thompson, Mohan Ji, Bas Rokers, Ari Rosenberg

Research output: Contribution to journalArticle

Abstract

Intercepting and avoiding moving objects requires accurate motion-in-depth (MID) perception. Such motion can be estimated based on both binocular and monocular cues. Because previous studies largely characterized sensitivity to these cues individually, their relative contributions to MID perception remain unclear. Here we measured sensitivity to binocular, monocular, and combined cue MID stimuli using a motion coherence paradigm. We first confirmed prior reports of substantial variability in binocular MID cue sensitivity across the visual field. The stimuli were matched for eccentricity and speed, suggesting that this variability has a neural basis. Second, we determined that monocular MID cue sensitivity also varied considerably across the visual field. A major component of this variability was geometric: An MID stimulus produces the largest motion signals in the eye contralateral to its visual field location. This resulted in better monocular discrimination performance when the contralateral rather than ipsilateral eye was stimulated. Third, we found that monocular cue sensitivity generally exceeded, and was independent of, binocular cue sensitivity. Finally, contralateral monocular cue sensitivity was found to be a strong predictor of combined cue sensitivity. These results reveal distinct factors constraining the contributions of binocular and monocular cues to three-dimensional motion perception.

Original languageEnglish (US)
Pages (from-to)1-16
Number of pages16
JournalJournal of Vision
Volume19
Issue number3
DOIs
StatePublished - Jan 1 2019

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Motion Perception
Cues
Visual Fields
Depth Perception

ASJC Scopus subject areas

  • Ophthalmology
  • Sensory Systems

Cite this

Contributions of binocular and monocular cues to motion-indepth perception. / Thompson, Lowell; Ji, Mohan; Rokers, Bas; Rosenberg, Ari.

In: Journal of Vision, Vol. 19, No. 3, 01.01.2019, p. 1-16.

Research output: Contribution to journalArticle

Thompson, L, Ji, M, Rokers, B & Rosenberg, A 2019, 'Contributions of binocular and monocular cues to motion-indepth perception', Journal of Vision, vol. 19, no. 3, pp. 1-16. https://doi.org/10.1167/19.3.2
Thompson, Lowell ; Ji, Mohan ; Rokers, Bas ; Rosenberg, Ari. / Contributions of binocular and monocular cues to motion-indepth perception. In: Journal of Vision. 2019 ; Vol. 19, No. 3. pp. 1-16.
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