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. Author manuscript; available in PMC: 2012 Nov 1.
Published in final edited form as: Psychol Bull. 2012 Jul 30;138(6):1172–1217. doi: 10.1037/a0029333

Figure 18.

Figure 18

(A–B) Sample stimuli used by Peterson et al. (1991). The configural factors of small area, symmetry, and enclosure favor seeing the central, black region as figure. In A, a portion of a familiar object, a standing woman, is suggested on the outside of the left and right borders of the black region. B is an inverted version of A. (C–D) Sample upright (C) and inverted (D) bipartite displays used by Peterson and Gibson (1994a). (E–G) Sample stimuli used by Peterson and Skow (2008). The configural factors of small area, symmetry, and enclosure favor seeing the inside of the black silhouettes as the figures. Portions of familiar objects re suggested on the outsides of the silhouettes' left and right borders (in E, sea horses; in F, table lamps; in G, pineapples). Adapted with permission.