非洲大猿（猩猩、黑猩猩、猩猩）与我们亲缘关系最近的灵长类动物，它们恰好遵循同我们完全相反的视觉追踪机制。

• Our nearest primate relatives, the African great apes( chimpanzees, bonobos and gorillas) showed precisely the opposite pattern of gaze following.