Researchers have described different emotional facial expressions for mice. Similar to humans, the face of a mouse looks completely different when it tastes something sweet or bitter, or when it ...

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, ...

The alternative text for this image may have been generated using AI. In this Review, we assess the state of the art in non-human primate facial expression research. We review the literature on ...

The face reflects a person's emotional state. The interpretation of facial expressions as part of psychotherapy or psychotherapeutic research, for example, is an effective way of characterizing how a ...

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Cats have 276 distinct facial expressions, a discovery that turns on its head the popular belief that our pet felines are aloof and just not that into us. In fact, cats likely evolved these various ...