A new study published in the journal Science Signaling has found that an immune system protein plays a central role in the ...

Methamphetamine addiction has long been framed as a story of dopamine gone haywire, with the drug flooding the brain’s reward ...

Dopamine, a powerful brain chemical and neurotransmitter, is a key regulator of many important functions such as attention, experiencing pleasure and reward, and coordinating movement. The brain ...

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 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 ...

Why do some brains crave more stimulation than others? Learn about dopamine, genetics, and brain function, and how dopamine ...

With the help of a tiny, transparent worm called Caenorhabditis elegans, researchers have identified novel players in dopamine signaling by taking advantage of a powerful platform generated via the ...

Researchers at McGill University have uncovered a surprising twist in how dopamine affects movement, overturning a ...

We're all familiar with Pavlovian conditioning, in which a reward-anticipatory behavior follows a reward-predicting stimulus. Perhaps you experience it yourself when passing a cafe or restaurant and ...

While investigating the FGF21-oxytocin-dopamine system, a mechanism that regulates sugar appetite, a team of researchers at ...

Medication isn’t the only option for ADHD, but for some, it can be transformative. This piece examines how ADHD can be managed, and benefits and risks to stimulant use.