title: Velocity or spatial and temporal separation: a comment on Farrell.
authors.forename: L B
authors.initials: LB
authors.lastname: Stelmach
authors.forename: P J
authors.initials: PJ
authors.lastname: Hearty
mesh_terms: D005366:Figural Aftereffect; D006801:Humans; D009039:Motion Perception; D012399:Rotation; D013997:Time Factors