In findings that raise a variety of questions about how our brains work, and even about the nature of consciousness, UC Santa ...

Researchers identified a key molecule that highlights how the immune system is linked to the release of dopamine.

Humans respond to environments that change at many different speeds. A video game player, for example, reacts to on-screen ...

Scientists have uncovered a way to manipulate the pathway in monkey brains that puts the brakes on motivation.

Every time we smile, grimace, or flash a quick look of surprise, it feels effortless, but the brain is quietly coordinating ...

“We were able to causally link a specific brain pathway to a ‘brake’ on motivation when individuals face unpleasant tasks in ...

When a baby smiles at you, it's almost impossible not to smile back. This spontaneous reaction to a facial expression is part ...

This comprehensive review synthesizes a decade of human and animal research to explain how the gut and brain communicate ...