Perception of heading is a brain in the neck.
Warren
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WH
D006801:Humans; D009068:Movement / Q000502:physiology*; D009333:Neck / Q000502:physiology*; D009949:Orientation / Q000502:physiology*; D011597:Psychomotor Performance / Q000502:physiology*; D014785:Vision, Ocular / Q000502:physiology*