Visual Aftereffects Of Sequential Perception: Dynamic Adaptation To Changes In Texture Density And Contrast

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Vision Research


Two new aftereffects are described in which the comparison of successively presented textures can be affected by prior exposure (adaptation) to biased sequences. A dynamic aftereffect of texture density can be produced using changes in non-Fourier texture density (using balanced-dot textures). An analogous dynamic aftereffect is demonstrated for texture contrast. These two effects are dissociated experimentally by the near absence of cross-adaptation. Evidence is also presented that the density effect is not one of texture motion (e.g. expansion/contraction of texture).


adaptation, aftereffects, contrast, density, texture