Perceptual biases, camouflage patterns, and the origin of sexual signals
Yseult Héjja-Brichard,
Michel Raymond,
Innes C. Cuthill
et al.
Abstract:Natural and sexual selection can be in conflict in driving the evolution of sexual ornamentation. Sexual selection favours detectability to potential mates, whereas natural selection penalises detectability to avoid predators. Focusing on signal efficiency rather than detectability, however, suggests that natural and sexual selection need not be antagonistic. Considerable evidence demonstrates that people prefer images that match the statistics of natural scenes, likely because they are efficiently processed b… Show more
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