title: A disparity gradient limit for binocular fusion.
abstract: Ever since Panum, it has been commonly assumed that there is an absolute disparity limit for binocular fusion. It is now found that nearby objects modify this disparity limit. This result sheds new light on several enigmatic phenomena in stereopsis.
mesh_terms: D005556:Form Perception / Q000502:physiology; D007839:Functional Laterality; D006801:Humans; D014794:Visual Fields; D014796:Visual Perception / Q000502:physiology*