title: Rotating Squares Look Like Pincushions.
abstract: Rotating squares appeared to be distorted into pincushions with concave sides. These illusory shape changes were caused by a perceived compression along the curved path of motion.
authors.affiliation: Department of Psychology, University of California, San Diego, USA.
authors.forename: Stuart
authors.initials: S
authors.lastname: Anstis
authors.affiliation: Research Institute of Electrical Communication, Tohoku University, Japan; Department of Psychology, University of California, San Diego, USA.
authors.forename: Sae
authors.initials: S
authors.lastname: Kaneko
keywords: illusion; motion perception; shapes or objects