Explore the fascinating world of facial expressions in our latest video, "When you can read the expressions on their faces." ...

The face is a primary interface between emotional state and physical expression. It is how mood communicates itself to t ...

Diagnosing post-traumatic stress disorder in children can be notoriously difficult. Many, especially those with limited ...

Horses have a lot of facial muscles, like primates. Serhii Hromov/Shutterstock We observed groups of domestic horses out at pasture. Whenever they interacted with one another we would hit record ...

We also know that facial expressions are an important method of communication for horses. In a 2016 study, equine cognition researcher Jen Wathan and her colleagues demonstrated this when they showed ...

Just like humans and non-human primates, horses have a large number of facial muscles. These allow them to produce a range of facial movements.

Engineers can program a smile, but without the micro-contractions around the eyes, many of these expressions still seem disingenuous. Our own anatomy sets the gold standard.

Both real and fake smiles depend on cranial nerve VII, also known as the facial nerve, which sends signals from the brain to the muscles of facial expression.

Michelle Spear does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

Both real and fake smiles depend on cranial nerve VII, also known as the facial nerve, which sends signals from the brain to the muscles of facial expression.

The team also didn’t account for eye movements or facial expressions, which can affect the activity of auricular muscles, he says. Strauss hopes to address some of these points in the future.

Coyotes Might Make ‘Puppy Eyes,’ Suggesting the Facial Expression Evolved for More Than Just Cuteness The wild canines have the same muscles used by domestic dogs to create the wide-eyed ...