They observed brain scans of people who had been wronged during a game in the laboratory. Then they gave these participants the opportunity to get back at the other person. During the minute the victim contemplated revenge, their brain activity was recorded. Immediately, the researchers noticed action flowing into the caudate nucleus, a part of the brain responsible for reward processes. Follow Bored Panda on Google News! Follow us on Flipboard.com/@boredpanda! Please use high-res photos without watermarks Ooops! Your image is too large, maximum file size is 8 MB.