Uncertainty experiments support the roles of second-order mechanisms in spatial frequency and orientation discriminations

Journal of the Optical Society of America A: Optics and Image Science, and Vision

Volumn 13, Issue 4, 1996, Pages 689-696

  Thomas, James P ^a   Olzak, Lynn A ^a  

^a UNIVERSITY OF CALIFORNIA   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ARTICLE; DEPTH PERCEPTION; HUMAN; ORIENTATION; PHYSIOLOGY; VISION; VISUAL CORTEX;

HUMANS; ORIENTATION; SPACE PERCEPTION; VISION; VISUAL CORTEX;

EID: 0030114910     PISSN: 10847529     EISSN: 15208532     Source Type: Journal    
DOI: 10.1364/JOSAA.13.000689     Document Type: Article

References (17)

1. N. V. S. Graham, Visual Pattern Analyzers (Oxford U. Press, New York, 1989).
2. L. A. Olzak and J. P. Thomas, “Seeing spatial patterns,” in Sensory Processes and Perception, Vol. 1 of Handbook of Perception and Human Performance, K. Boff, L. Kaufman, and J. P. Thomas, eds. (Wiley, New York, 1986), pp. 7–1-756.
3. A. C. Bovik, M. Clark, and W. S. Geisler, “Multichannel texture analysis using localized spatial filters,” IEEE Trans. Patt. Analy. Mach. Vis. 12, 55–73 (1990).
4. M. S. Landy and J. R. Bergen, “Texture segregation and orientation gradient,” Vision Res. 31, 679–692 (1991).
5. N. Graham, J. Beck, and A. Sutter, “Nonlinear processes in spatial-frequency channel models of perceived texture segregation: effects of sign and amount of contrast,” Vision Res. 32, 719–743 (1992).
6. H. R. Wilson and W. A. Richards, “Curvature and separation discrimination at texture boundaries,” J. Opt. Soc. Am. A 9, 1653–1662 (1992).
7. L. A. Olzak and J. P. Thomas, “Configural effects constrain Fourier models of pattern discrimination,” Vision Res. 32, 1885–1898 (1992).
8. L. A. Olzak and J. P. Thomas, “When orthogonal orientations are not processed independently,” Vision Res. 31, 51–57 (1991).
9. W. P. Tanner, “Physiological implications of psychophysical data,” Ann. N. Y. Acad. Sci. 89, 752–765 (1961).
10. E. T. Davis and N. Graham, “Spatial frequency uncertainty effects in the detection of visual sinusoidal gratings,” Vision Res. 21, 705–712 (1981).
11. E. T. Davis, P. Kramer, and N. Graham, “Uncertainty about spatial frequency, spatial position, or contrast of visual patterns,” Percept. Psychophys. 33, 20–28 (1983).
12. M. W. Greenlee and J. P. Thomas, “Simultaneous discrimination of the spatial frequency and contrast of periodic stimuli,” J. Opt. Soc. Am. A 10, 395–404 (1993).
13. S. Magnussen, M. W. Greenlee, and J. P. Thomas, “Parallel processing in visual short-term memory,” J. Exp. Psychol. (to be published).
14. J. P. Thomas, “Independent processing of suprathreshold spatial gratings as a function of their separation in spatial frequency,” J. Opt. Soc. Am. A 6, 1102–1111 (1989).
15. J. P. Thomas and L. A. Olzak, “Cue summation is spatial discriminations,” Vision Res. 30, 1865–1875 (1990).
16. A. B. Watson, K. R. Nielson, A. Poirson, A. Fitzhugh, A. Bilson, K. Nguyen, and A. Ahumada, “Use of raster framebuffer in vision research,” Behav. Res. Methods Instrum. Comput. 18, 587–594 (1986).
17. B. G. Smith and J. P. Thomas, “Why are some spatial discriminations independent of contrast?” J. Opt. Soc. Am. A 6, 713–724 (1989).