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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 72, Iss. 7 — Jul. 1, 1982
  • pp: 878–887

Localized effects of spatial-frequency adaptation

D. W. Williams, H. R. Wilson, and J. D. Cowan  »View Author Affiliations


JOSA, Vol. 72, Issue 7, pp. 878-887 (1982)
http://dx.doi.org/10.1364/JOSA.72.000878


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Abstract

The spatially localized threshold-elevation aftereffect of spatial-frequency adaptation was measured by using localized, aperiodic test patterns that have bandpass Fourier transforms. At a given retinal location, the thresholdelevation curves are consistent with the fatigue of size-tuned mechanisms with center-surround sensitivity profile. Only a few different sizes of such mechanisms were required to fit the local results. The local aftereffect was also measured as a function of eccentricity near the fovea. The results indicate that the threshold-elevation aftereffect of spatial-frequency adaptation is not spatially homogeneous

© 1982 Optical Society of America

Citation
D. W. Williams, H. R. Wilson, and J. D. Cowan, "Localized effects of spatial-frequency adaptation," J. Opt. Soc. Am. 72, 878-887 (1982)
http://www.opticsinfobase.org/josa/abstract.cfm?URI=josa-72-7-878


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