Separate detection of moving luminance and contrast modulations: Fact or artifact?

Vision Research

Volumn 37, Issue 1, 1997, Pages 45-62

  Smith, Andrew T ^a   Ledgeway, Timothy ^a,b  

^a UNIVERSITY OF LONDON   (United Kingdom)

^b UNIVERSITY OF OXFORD   (United Kingdom)

Author keywords

Contrast modulation; Direction perception; Second order motion

Indexed keywords

ARTICLE; CONTRAST; HUMAN; HUMAN EXPERIMENT; LUMINANCE; MODULATION; MOVEMENT PERCEPTION; NORMAL HUMAN; PRIORITY JOURNAL; VISUAL STIMULATION; VISUAL THRESHOLD;

CONTRAST SENSITIVITY; HUMANS; MOTION PERCEPTION;

EID: 0031027114     PISSN: 00426989     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0042-6989(96)00147-2     Document Type: Article

References (30)

1. Adelson E.H., Bergen J.R. Spatiotemporal energy models for the perception of motion. Journal of the Optical Society of America A. 2:1985;284-299.
2. Anstis S.M., Rogers B.J. Illusory reversal of visual depth and movement during changes of contrast. Vision Research. 15:1975;957-961.
3. Badcock D.R., Derrington A.M. Detecting the displacement of periodic patterns. Vision Research. 25:1985;1253-1258.
4. Chubb C., Sperling G. Drift-balanced random stimuli: A general basis for studying non-Fourier motion perception. Journal of the Optical Society of America A. 5:1988;1986-2006.
5. Derrington A.M. Distortion products in geniculate X-cells: A physiological basis for masking by spatially modulated gratings? Vision Research. 27:1987;1377-1386.
6. Derrington A.M. Analysis of the motion of contrast-modulated patterns. Investigative Ophthalmology and Visual Science. 35:1994;1406.
7. Derrington A.M., Badcock D.R. Separate detectors for simple and complex patterns? Vision Research. 25:1985;1869-1878.
8. Derrington A.M., Badcock D.R. Detection of spatial beats: Non-linearity or contrast increment detection? Vision Research. 26:1986;343-348.
9. Derrington A.M., Badcock D.R., Henning G.B. Discriminating the direction of second-order motion at short stimulus durations. Vision Research. 33:1993;1785-1794.
10. Derrington A.M., Henning G.B. Detecting and discriminating the direction of motion of luminance and colour gratings. Vision Research. 33:1993;799-812.
11. Green M. Contrast detection and direction discrimination of drifting gratings. Vision Research. 23:1983;281-289.
12. Harris L.R., Smith A.T. Motion defined exclusively by second-order characteristics does not evoke optokinetic nystagmus. Visual Neuroscience. 9:1992;565-570.
13. Henning G.B., Hertz B.G., Broadbent D.E. Some experiments bearing on the hypothesis that the visual system analyses spatial patterns in independent bands of spatial frequency. Vision Research. 15:1975;887-897.
14. Johnston A., Clifford C.W.G. Perceived motion of contrast-modulated gratings: Predictions of the Multi-channel Gradient Model and the role of full-wave rectification. Vision Research. 35:1995;1771-1784.
15. Ledgeway T. Adaptation to second-order motion results in a motion aftereffect for directionally-ambiguous test stimuli. Vision Research. 34:1994;2879-2889.
16. Ledgeway T., Smith A.T. Evidence for separate motion-detecting mechanisms for first- and second-order motion in human vision. Vision Research. 34:1994;2727-2740.
17. Ledgeway T., Smith A.T. The perceived speed of second-order motion and its dependence on stimulus contrast. Vision Research. 35:1995;1421-1434.
18. Lindsey D.T., Teller D.Y. Motion at isoluminance: Discrimination/detection ratios for moving isoluminant gratings. Vision Research. 30:1990;1751-1761.
19. MacLeod D.I.A., Williams D.R., Makous W. A visual non-linearity fed by single cones. Vision Research. 32:1992;347-363.
20. McCarthy J.E. Directional adaptation effects with contrast modulated stimuli. Vision Research. 33:1993;2653-2662.
21. Mather G., West S. Evidence for second-order motion detectors. Vision Research. 33:1993;1109-1112.
22. Mullen K.T., Boulton J.C. Absence of smooth motion perception in color vision. Vision Research. 32:1992;483-488.
23. Smith A.T. Correspondence-based and energy-based detection of second-order motion in human vision. Journal of the Optical Society of America A. 11:1994;1940-1948.
24. Smith A.T., Hess R.F., Baker C.L. Jr. Direction identification thresholds for second-order motion in central and peripheral vision. Journal of the Optical Society of America A. 11:1994;506-514.
25. Smith A.T., Ledgeway T. Second-order motion: The carrier is crucial. Perception. 24:1995;28.
26. Solomon J.A., Sperling G. 1st- and 2nd-order motion and texture resolution in central and peripheral vision. Vision Research. 35:1995;59-64.
27. Victor J.D., Conte M.M. Coherence and transparency of moving plaids composed of Fourier and non-Fourier gratings. Perception and Psychophysics. 52:1992;403-414.
28. Watson A.B., Thompson P.G., Murphy B.J., Nachmias J. Summation and discrimination of gratings moving in opposite directions. Vision Research. 20:1980;341-347.
29. Werkhoven P., Sperling G., Chubb C. The dimensionality of texture-defined motion: A single channel theory. Vision Research. 33:1993;463-486.
30. Wilson H.R., Ferrera V.P., Yo C. A psychophysically motivated model for two-dimensional motion perception. Visual Neuroscience. 9:1992;79-97.