Hold Your Hand a Few Feet Away from Your Face

Hold your hand a few feet away from your face. Now alternate between looking at your hand with only your right eye and then only with your left eye. You will notice that each eye has a slightly different view of your hand and the scene behind it. Special detection cells in your brain tuned to allow your brain to extract depth information from
The visual scene, thus informing where your hand is in relation to the stuff behind it.

A) motion parallax
B) binocular disparity
C) the phi phenomenon
D) convergence
E) stroboscopic movement