Good Continuation

When considering the relevance of the Quinn et al. (1993, 2002) demonstrations of infant Gestalt-like grouping via lightness and form similarity for understanding the early development of object recognition abilities more generally, two limitations become apparent. First, the stimuli used in the Quinn et al. studies are more like surface textures than they are like objects (Spelke, Breinlinger, Jacobson, & Phillips, 1993; Spelke, Gutheil, & Van de Walle, 1995). Second, in many natural scenes, numerous objects appear simultaneously, and may be arranged so that their contours are partially overlapping, rather than completely visible. Such scenes must be parsed into a set of primitive contours, and these contours must be organized into coherent representations of whole shapes.

To examine how well infants parse and organize more complex visual configurations that only begin to approximate the object processing demands of more natural scenes, Quinn et al. (1997) investigated how young infants would represent the pattern shown in panel (a) of Figure 5.4. Adults tend to parse and organize this pattern into the square and circle shapes shown in panel (b) of Figure 5.4, rather

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