A motion aftereffect from still photographs depicting motion.
A photograph of an action can convey a vivid sense of motion. Does the inference of motion from viewing a photograph involve the same neural and psychological representations used when one views physical motion? In this study, we tested whether implied motion is represented by the same direction-selective signals involved in the perception of real motion. We made use of the motion aftereffect, a visual motion illusion. Three experiments showed that viewing a series of static photographs with implied motion in a particular direction produced motion aftereffects in the opposite direction, as assessed with real-motion test probes. The transfer of adaptation from motion depicted in photographs to real motion demonstrates that the perception of implied motion activates direction-selective circuits that are also involved in processing real motion.
Winawer
Jonathan
J
Stanford University, Psychology Department, Stanford, CA 94305, USA. winawer@stanford.edu
Huk
Alexander C
AC
Boroditsky
Lera
L
D001288:Attention; D003463:Cues; D005366:Figural Aftereffect; D006801:Humans; D007092:Imagination; D009039:Motion Perception; D009949:Orientation; D010364:Pattern Recognition, Visual; D010781:Photography; D011601:Psychophysics; D014163:Transfer, Psychology