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The Ultimate Body Language Book

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<strong>The</strong> orbicularis muscles<br />

contract to form wrinkles in the corners of the eyes called crows feet – “smiling eyes”. When we see<br />

crows feet, we have true happiness.<br />

Smiles are controlled by two sets of muscles which are the zygomatic major muscles, that run down the<br />

side of the face to connect to the corners of the mouth, and the orbicularis oculi muscles that pull the<br />

eyes back. <strong>The</strong> orbicularis muscles are particularly important as they are used to cause what’s called<br />

“smiling eyes”. Smiling eyes, also called “crow’s feet”, where a classic wrinkling appears in the corner<br />

of the eyes is an indication of true happiness. <strong>The</strong> zygomatic muscles, on the other hand, are<br />

consciously controlled and are the ones that normally flex when we smile for the camera. <strong>The</strong>refore,<br />

the appearance of crow’s feet is a great way of determining genuine enjoyment. Insincere smiles appear<br />

as exposed teeth and stretched lips across the face with no wrinkles in the eyes. Crow’s feet however,<br />

can be faked with extreme smiles when the full face ends up really squished, but what separates the two<br />

is that in the real smile the corner of the eyes will turn downwards and the eyebrows will dip as well.<br />

<strong>The</strong> honest smile has also been called the “Duchenne smile”, after the French researcher Guillaume<br />

Duchenne who was first to research smiles using electrodiagnostics and electrical stimulation to<br />

distinguish between real and fake smiles.

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