Singer B, D'Zmura M
Department of Cognitive Sciences, University of California, Irvine 92717.
Vision Res. 1994 Dec;34(23):3111-26. doi: 10.1016/0042-6989(94)90077-9.
We report the results of psychophysical experiments on the intensive, spatial, temporal and chromatic properties of color contrast induction. Modulating the contrast of an annulus induces an apparent modulation of the color contrast of a central disk, at isoluminance. Results of varying the size of the annulus suggest that mechanisms which control contrast gain are spatially localized. Results of varying the orientations of disk and annulus patterns, with peak spatial frequencies at about 2 c/deg, suggest that the mechanisms are spatially isotropic. Results of varying the rate at which annulus contrast is modulated shows that mechanisms which mediate contrast induction have a low-pass temporal sensitivity that cuts off at about 8 Hz. Results of an experiment on the interocular transfer of color contrast induction suggest that the induction has a cortical locus. Finally, the results of varying the chromatic properties of disk and annulus suggest that the underlying mechanisms are partially, but not fully, chromatically selective.
我们报告了关于颜色对比诱导的强度、空间、时间和色度特性的心理物理学实验结果。在等亮度条件下，调制环形区域的对比度会引起中心圆盘颜色对比度的明显调制。改变环形区域大小的结果表明，控制对比度增益的机制在空间上是局部化的。改变圆盘和环形图案的方向（峰值空间频率约为2周/度）的结果表明，这些机制在空间上是各向同性的。改变环形区域对比度调制速率的结果表明，介导对比度诱导的机制具有低通时间敏感性，截止频率约为8赫兹。一项关于颜色对比诱导的双眼传递实验的结果表明，这种诱导发生在皮层部位。最后，改变圆盘和环形区域色度特性的结果表明，潜在机制部分但并非完全具有颜色选择性。
