title: Contingency and the McCollough effect.
authors: S
authors: S
authors: Siegel
authors: L G
authors: LG
authors: Allan
mesh_terms: D000221:Adaptation, Ocular; D003118:Color Perception; D003214:Conditioning, Classical; D005260:Female; D005366:Figural Aftereffect; D006801:Humans; D008297:Male