Figure 8.20: Which pattern shows the clearer illusory contour? Most people see an illusory contour (outlining a white square) more clearly in pattern (b) than in pattern (a), a finding that is consistent with the unconscious-inference explanation of pattern perception.
(a) Adapted from Kanizsa, 1955.
(b) Adapted from Hoffman, 1998.
(b) Adapted from Hoffman, 1998.