Under the carpet.
R L
RL
Gregory
D016477:Artifacts; D001921:Brain / Q000502:physiology*; D006801:Humans; D009039:Motion Perception / Q000502:physiology; D009903:Optical Illusions / Q000502:physiology; D009949:Orientation / Q000502:physiology; D012106:Research; D012438:Saccades / Q000502:physiology; D014785:Vision, Ocular / Q000502:physiology*; D014796:Visual Perception / Q000502:physiology*