Illusory motion reversal in tune with motion detectors.

School of Psychology, Cardiff University, Park Place, Cardiff, CF10 3AT, UK School of Psychology, The University of Sydney, Sydney NSW 2006, Australia Department of Neurobiology and Anatomy, University of Texas, Houston, Medical School, Houston, Texas, USA Department of Psychology, Rice University, Houston, Texas, USA Institute for Neuroscience, University of Texas, Austin, Texas, USA Division of Neurology, Toronto Western Research Institute, University Health Network, University of Toronto, 13-304 Toronto Western Hospital, 399 Bathurst Street, Toronto, Ontario M5T 2S8, Canada