Limited-lifetime Gabor stimuli were used to assess both first- and second-order motion in peripheral vision. Both first- and second-order motion mechanisms were present at a 20-deg eccentricity. Second-order motion, unlike first-order, exhibits a bias for centrifugal motion, suggesting a role for the second-order mechanism in optic flow processing.
© 2001 Optical Society of America
[Optical Society of America ]
(330.4150) Vision, color, and visual optics : Motion detection
(330.4270) Vision, color, and visual optics : Vision system neurophysiology
(330.5510) Vision, color, and visual optics : Psychophysics
(330.7310) Vision, color, and visual optics : Vision
Serge O. Dumoulin, Curtis L. Baker, Jr.,, and Robert F. Hess, "Centrifugal bias for second-order but not first-order motion," J. Opt. Soc. Am. A 18, 2179-2189 (2001)