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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

  • Editor: Franco Gori
  • Vol. 31, Iss. 4 — Apr. 1, 2014
  • pp: A232–A238

Contrast–contrast asynchronies

Alex Rose-Henig and Arthur G. Shapiro  »View Author Affiliations


JOSA A, Vol. 31, Issue 4, pp. A232-A238 (2014)
http://dx.doi.org/10.1364/JOSAA.31.00A232


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Abstract

We introduce the “contrast–contrast asynchrony,” a dynamic stimulus configuration that combines elements of the Shapiro contrast asynchrony with elements of the Chubb contrast–contrast illusion. In the contrast–contrast asynchrony, static textured fields surround two textured fields; one surround has high-contrast texture, and the other has low-contrast texture. The contrasts of the center fields modulate in phase with each other at 1 Hz, and as a consequence, the difference between the contrast of the centers and the contrast of the respective surround modulates in antiphase. Most observers report an antiphase appearance for high-contrast, fine-grained centers. These observers therefore respond to the difference between the center contrast and surround contrast. We also document three observers who do not see the asynchrony for high-contrast modulations of the center, suggesting possibly interesting individual differences.

© 2014 Optical Society of America

OCIS Codes
(330.1720) Vision, color, and visual optics : Color vision
(330.1800) Vision, color, and visual optics : Vision - contrast sensitivity
(330.5020) Vision, color, and visual optics : Perception psychology
(330.6100) Vision, color, and visual optics : Spatial discrimination

ToC Category:
Color sensitivity and appearance

History
Original Manuscript: September 30, 2013
Revised Manuscript: January 7, 2014
Manuscript Accepted: January 10, 2014
Published: February 12, 2014

Virtual Issues
Vol. 9, Iss. 6 Virtual Journal for Biomedical Optics

Citation
Alex Rose-Henig and Arthur G. Shapiro, "Contrast–contrast asynchronies," J. Opt. Soc. Am. A 31, A232-A238 (2014)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-31-4-A232

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