title: A new illusion and possible links with the Münsterberg and Fraser illusions of direction.
abstract: In the course of an investigation of the Münsterberg illusion, a new illusion has been produced. The illusion is reduced to its simplest form and possible links to the original Münsterberg and Fraser illusions are suggested.
mesh_terms: D005556:Form Perception; D006801:Humans; D007088:Illusions; D009903:Optical Illusions; D009949:Orientation; D013028:Space Perception