Adults' awareness of faces follows newborns' looking preferences.

As would be expected if the perceptual mechanisms underlying face detection were sensitive not only to the mere configuration of facial features but also to contrast polarity, in Experiment 1 the inversion effect for faces with reversed contrast polarity was significantly smaller than for faces with normal contrast polarity, t (12) = 5.12, p <0.001, and failed to reach statistical significance, t (12) = 1.98, p = 0.071 ( Figure 2 ).

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