Demonstration of reification in perception from Lehar S. (2003) The World In Your Head, Lawrence Erlbaum, Mahwah, NJ. p. 52, Fig. 3.3, uploaded by the author. A: Standard Kanizsa triangle. B: Peter Tse's Volumetric Worm. C: Idesawa's Spiky Sphere. D: Peter Tse's Sea Monster.
 yuki miyazaki, jun-ichiro kawahara.the sanitary-mask effect on perceived facial attractiveness[j].japanese psychological research,2016,58(3):261-272.