image: When a practicing bird hits the right note, a burst of dopamine is generated in its brain. This material relates to a paper that appeared in the Dec. 9, 2016, issue of Science, published by AAAS. The paper, by V. Gadagkar at Cornell University in Ithaca, NY, and colleagues was titled, "Dopamine neurons encode performance error in singing birds." view more
Credit: Andrew Treska