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

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