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Nicolas Dupuis-Roy, Isabelle Fortin, Daniel Fiset, Frédéric Gosselin; Uncovering gender discrimination cues in a realistic setting. Journal of Vision 2009;9(2):10. doi: 10.1167/9.2.10.
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© 2015 Association for Research in Vision and Ophthalmology.
Which face cues do we use for gender discrimination? Few studies have tried to answer this question and the few that have tried typically used only a small set of grayscale stimuli, often distorted and presented a large number of times. Here, we reassessed the importance of facial cues for gender discrimination in a more realistic setting. We applied Bubbles—a technique that minimizes bias toward specific facial features and does not necessitate the distortion of stimuli—to a set of 300 color photographs of Caucasian faces, each presented only once to 30 participants. Results show that the region of the eyes and the eyebrows—probably in the light-dark channel—is the most important facial cue for accurate gender discrimination; and that the mouth region is driving fast correct responses (but not fast incorrect responses)—the gender discrimination information in the mouth region is concentrated in the red-green color channel. Together, these results suggest that, when color is informative in the mouth region, humans use it and respond rapidly; and, when it's not informative, they have to rely on the more robust but more sluggish luminance information in the eye-eyebrow region.
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