Lay presentations of research on emotions often make two claims. First, they assert that all humans develop the same set of core emotions. This claim is called the “basic emotion approach” (Ekman, ...

Often called the world’s most famous face reader, he inspired the TV show ‘Lie to Me.’ But some questioned his assumption that human expressions were ‘pan-cultural.’ Credit: Gemma Cubero del ...

Flat affect is a reduced or absent outward expression of emotion, including limited eye contact, monotone speech, and a blank facial expression, but it doesn’t mean the person isn’t feeling emotions.