Illusory drifting within a window that moves across a flickering background.
When a striped disk moves across a flickering background, the stripes paradoxically seem to move faster than the disk itself. We attribute this new illusion to reverse-phi motion, which slows down the disk rim but does not affect the stripes.
Department of Psychology, University of California-San Diego, La Jolla, California; e-mail: sanstis@ucsd.edu.
Stuart
S
Anstis
Japan Society for the Promotion of Science; Department of Psychology, University of California-San Diego, La Jolla, California; e-mail: sakaneko@ucsd.edu.
Sae
S
Kaneko
illusion; motion; position-shift; reverse-phi