Researchers found that cutting the vagus nerve in mice reduced dopamine activity and lessened the frequency of reward ...

Methamphetamine addiction has a way of looping back on itself. A rush of pleasure pulls you in, cravings follow, and the ...

Dopamine—a neurotransmitter responsible for influencing motivation, pleasure, mood and learning in the brain—has experienced ...

The first time a person rides a rollercoaster, they may find it exhilarating, but when they get back on to ride again, they may find that they can’t replicate that initial feeling of excitement.

Dopamine is the brain’s motivational spark, driving us to chase what feels good and steer clear of what doesn’t. But scientists haven’t fully understood how dopamine helps us learn to avoid bad ...

Dopamine signaling in the brain is a complex process, with many mechanisms in place to accelerate or slow down dopamine's effects. When dopamine is released from nerve cells, its efficient removal to ...

Dopamine is one of the most extensively studied chemical messengers in the human brain, and yet scientists are still figuring out how it works to accomplish so much. For years, the classic view has ...

Starting a regular program at the gym is a common New Year's resolution, but it's one that most people are unable to stick with for very long. Now a study done in mice is providing clues about one of ...

Researchers have discovered a potentially safer yet effective treatment for multiple disorders that display altered dopamine signaling. The “key?” A molecule that targets a specific protein called the ...

A baby's babbling may sound like nonsense, but it's actually an extended act of trial-and-error learning. As babies produce ...