Volume 7, Number 8, Article 7, Pages 1-10 doi:10.1167/7.8.7 http://journalofvision.org/7/8/7/ ISSN 1534-7362
A method for generating a “purely first-order” dichoptic motion stimulus
Ryusuke Hayashi
Max Planck Institute for Biological Cybernetics, Tuebingen, Germany
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Shin'ya Nishida
NTT Communication Science Laboratories, Atsugi, Japan
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Andreas Tolias
Max Planck Institute for Biological Cybernetics, Tuebingen, Germany
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Nikos K. Logothetis
Max Planck Institute for Biological Cybernetics, Tuebingen, Germany
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Abstract

In the present technical article, we describe a method for generating a new dichoptic motion stimulus, the monocular components of which are dynamic random noise without constant figural cues for feature-tracking-based motion. Our dichoptic motion stimulus adds a new line of evidence, which supports the original conclusion of M. Shadlen and T. Carney (1986) that motion detection can be solely derived from early binocular motion processing. Further, we describe novel motion displays in which monocular motion and binocular motion are in opposite directions with variable intensity ratios. Our dichoptic stimuli will serve as a useful tool to investigate the interaction between low-level binocular motion detectors and monocular motion detectors without requiring feature extraction before motion detection.

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History
Received August 4, 2006; published June 19, 2007
Citation
Hayashi, R., Nishida, S., Tolias, A., & Logothetis, N. K. (2007). A method for generating a “purely first-order” dichoptic motion stimulus. Journal of Vision, 7(8):7, 1-10, http://journalofvision.org/7/8/7/, doi:10.1167/7.8.7.
Keywords
motion perception, binocular vision, dichoptic, stereo, interocular phase
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