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 brain learns that the drug is the fastest route to reward. Yet scientists still ...

A new interdisciplinary study by researchers from the Ruth and Bruce Rappaport Faculty of Medicine and the Andrew and Erna Viterbi Faculty of Electrical and Computer Engineering at the Technion ...

These feel-good activities aren’t just fun—they also support brain health and emotional well-being.

As a teenager in the early 1980s, I smoked a ton of marijuana and spent most of my early high school years stoned out of my mind. It was a very troubling time for me. During my adolescence, I ...

LOS ANGELES — Maybe you'd like to spend time on hobbies or hang out with friends, but nothing feels as exciting and engaging as it used to –– so you just squander another hour on social media. Your ...

A fascinating paper in the journal Science recently demonstrated that inflammation induced by cachexia leads to inhibition of dopamine release in the reward system, which in turn causes apathy and ...

You know that moment. You’ve just eaten a perfectly satisfying meal, sworn off junk food for the millionth time, and then BAM—suddenly you’re daydreaming about chocolate cake or plotting a midnight ...

Dangers come but dangers also go and when they do, the brain has an "all-clear" signal that teaches it to extinguish its fear. A new study in mice by MIT neuroscientists shows that the signal is the ...