Tilt from a head-inverted position produces displacement of visual subjective vertical in the opposite direction.
D006112:Gravitation; D006257:Head / Q000502:physiology; D006801:Humans; D007699:Kinesthesis / Q000502:physiology*; D009949:Orientation / Q000502:physiology*; D013028:Space Perception / Q000502:physiology*; D014722:Vestibule, Labyrinth / Q000502:physiology