In 2005, as an example of using image morphing methods to study the effects of averageness, imaging researcher Pierre Tourigny created a composite of about 30 faces to find out the current standard of good looks on the Internet (as shown above). On the popular Hot or Not web site, people rate others’ attractiveness on a scale of 1 to 10. An average score based on hundreds or even thousands of individual ratings takes only a few days to emerge. To make this hot or not palette of morphed images, photos from the site were sorted by rank and used SquirlzMorph to create multi-morph composites from them. Unlike projects like Face of Tomorrow where the subjects are posed for the purpose, the portraits are blurry because the source images are low resolution with differences in posture, hair styles, glasses, etc., so that here images could use only 36 control points for the morphs.[6] A similar study was done with Miss Universe contestants, as shown in the averageness article, as well as one for age, as shown in youthfulness article.
A recent 2006 "hot" or "not" style study, involving 264 women and 18 men, at the Washington University School of Medicine, as published online in the journal Brain Research, indicates that a person's brain determines whether an image is erotic long before the viewer is even aware they are seeing the picture. Moreover, according to these researchers, one of the basic functions of the brain is to classify images into a hot or not type categorization. The study's researchers also discovered that sexy shots induce a uniquely powerful reaction in the brain, equal in effect for both men and women, and that erotic images produced a strong reaction in the hypothalamus.[7]
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