A new study in PNAS by scientists at The Picower Institute for Learning and Memory at MIT shows how a dopamine circuit ...

Read More: What is Anxiety and How Can Worries Overpower Us? Looking to the ventral tegmental area (VTA), a region of the brain associated with surprises, learning, and reward, the team's first ...

The VTA was the lab's prime suspect to be the source of the signal because the region is well known for encoding surprising experiences and instructing the brain, with dopamine, to learn from them.