Psychology & Psychiatry

Downward head tilt can make people seem more dominant

We often look to people's faces for signs of how they're thinking or feeling, trying to gauge whether their eyes are narrowed or widened, whether the mouth is turned up or down. But findings published in the June 2019 issue ...

Surgery

Surgeons transform static 'Mona Lisa' smiles to joyous ones

By modifying a muscle transplant operation, Johns Hopkins surgeons report they are able to restore authentic facial expressions of joy—wide and even smiles—to selected patients with one-sided facial muscle paralysis due ...

Surgery

Multivector gracilis muscle flap viable for facial reanimation

(HealthDay)—The gracilis flap can be designed as a functional double paddle flap for a multivector facial reanimation after facial paralysis, according to a study published online March 22 in JAMA Facial Plastic Surgery.

Surgery

Signs and symptoms of Bell's palsy

Bell's palsy causes sudden weakness in your facial muscles. This makes half of your face appear to droop. Your smile is one-sided, and your eye on that side resists closing.

Psychology & Psychiatry

Oxytocin plays a role in facial mimicry

Studies have demonstrated that oxytocin (which acts as an hormone and also as a neurotransmitter in the brain) plays a role in facilitating the perception of emotions in other people's facial expressions. An international ...

Psychology & Psychiatry

Botox treatment affects the perception of emotions 

Botulin injections in the facial muscles, which relax expression lines and make one's skin appear younger as a result of a mild paralysis, have another, not easily predictable effect: they undermine the ability to understand ...

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