Dual function of the tectum in the tree shrew (Tupaia glis).
D000818:Animals; D004192:Discrimination, Psychological / Q000502:physiology; D009949:Orientation / Q000502:physiology; D011443:Strepsirhini / Q000502:physiology*; D013477:Superior Colliculi / Q000502:physiology*; D014418:Tupaiidae / Q000502:physiology*; D014793:Visual Cortex / Q000502:physiology