Facial Symmetry and the Golden Ratio (Phi)


Everything in reality is created by mathematical design. Symmetry creates balance balance in the conscious mind - a computer that processes everything you experience through binary code. What does math have to do with beauty? Actually, a lot. Physical attraction depends on ratio. Our attraction to another person increases if it is symmetrical and in proportion.

Leonardo da Vinci's drawings of the human body emphasized its proportion. The ratio of the distances is the Golden Ratio or (Phi, Consciousness).










Why Is Symmetry So Sexy? It Has Nothing to Do with Health   Live Science - August 13, 2014
Facial symmetry is sexy, but perhaps not for the reasons scientists had long thought. Humans have such a strong preference for faces and bodies that are symmetrical that evolutionary psychologists and other researchers who study human behavior have long theorized that symmetry might be a signal of good health.

But now, a new study finds that facial symmetry is not linked with health, at least during early childhood. These findings call into question the assumption that people have a preference for symmetry in faces because it provides a cue to health during development.


Signal of health?

Despite the widespread assumption that symmetry might be a sign of good health, studies have turned up little evidence of a link between the two. A few small studies have linked facial asymmetry with some short-term health woes, like scratchy throats, but many others have found no links at all. However, those studies were generally small, relied on people to accurately report their own health and focused on participants' recent health.

In a new study, researchers examined 4,732 British 15- and 16-year-olds whose health had been tracked since birth as part of the United Kingdom's Avon Longitudinal Study of Parents and Children. The researchers analyzed three-dimensional scans of teens' faces, looking for symmetry, and compared those findings to health measures including birth weight, childhood health problems, body mass index (BMI) and even IQ at age 8.

The results showed no links between health and facial symmetry. Asymmetry was not related to more childhood ailments, nor to a lower birth weight or higher BMI, Pound told Live Science. Low birth weight and high BMI have each been linked with numerous health problems.

There was a tiny correlation between greater symmetry and higher IQ, but the link accounted for less than 1 percent in the variation of IQs seen in the sample. The weakness of the link makes it unlikely that facial symmetry has any real-world value in gauging someone's intelligence. Results indicate that choosing a mate with a relatively symmetrical face would be a very inefficient method of selecting a relatively healthy or intelligent partner from the general population, especially with the availability of more obvious cues to a person's health.


Why symmetry matters

The findings raise the question: If people aren't attracted to symmetry because it provides useful information about the value of a potential mate, why do humans find symmetry so sexy?

One possibility is that people simply like symmetry in all things, from art to natural objects to faces. Another is that people overgeneralize their preference for symmetry. Serious genetic disorders or trauma could lead to major asymmetry, far more obvious than the asymmetries in the general population usually studied. In other words, people might subconsciously avoid minor asymmetries simply because they've evolved to avoid major ones.

Or, there could be more to the asymmetry question, said Daniel Kruger, an evolutionary psychologist at the University of Michigan who was not involved in the study. Our psychology evolved long before we had modern medicine and public health, so how does this compare in terms of the health environment of non-modern populations and foraging environments, but also with the range of asymmetry..

Ancient humans may have had a wider range of ailments, leading to more asymmetry than what exists in humans today. The new study should be repeated with tribal people who live more like early hunter-gatherers and are subject to some of the same challenges from diseases and parasites. For people who are arguing for the relevance of this fluctuating facial asymmetry, it is disappointing, but there are definitely some unanswered questions.





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