p003fig01.03 Amodal completion<BR>||  p00c1h0.75 "... Figure 1.3 illustrates what I mean by the claim that percepts derived from pictures are often illusions.  Figure 1.3 (left column) shows three rectangular shapes that abut one another.  Our percept of this image irresitably creates a different interpretation, however.  We perceive a horizontal bar lying in front of a partially occluded vertical bar that is amodally completed behind it. ..."