This way up: illusions and internal models in the vestibular system.
D000818:Animals; D019416:Head Movements / Q000502:physiology*; D006801:Humans; D007088:Illusions; D008959:Models, Neurological; D009949:Orientation / Q000502:physiology*; D014722:Vestibule, Labyrinth / Q000502:physiology*