Predebon, J Illusion decrement and transfer of illusion decrement in obtuse- and acute-angle variants of the Poggendorff illusion. [electronic resource] - Perception & psychophysics Nov 1990 - 467-76 p. digital Publication Type: Journal Article ISSN: 0031-5117 Standard No.: 10.3758/bf03211591 doi Subjects--Topical Terms: AttentionDiscrimination LearningHumansOptical IllusionsOrientationPattern Recognition, VisualPsychophysics