Form aftereffect contingent upon a colour shift.
After prolonged fixation of coloured gratings of low spatial frequency, images of the gratings can be elicited up to 90 min thereafter when the colour of a spatially homogeneous test field is suddenly changed. Only adapting gratings with luminance contrast induce clear aftereffects. Control experiments rule out afterimages as an explanation of the aftereffects.
D000221:Adaptation, Ocular; D000360:Afterimage; D003118:Color Perception; D005366:Figural Aftereffect; D008029:Lighting; D008297:Male; D009949:Orientation; D012160:Retina / Q000502:physiology; D013997:Time Factors