News Neuroscience Brain implants have revealed a signature for chronic pain By measuring pain signals over months, a new study offers an expansive view of the debilitating condition In a new study, implanted electrodes (red dots) listened to activity in people with chronic pain in two brain regions: the anterior cingulate cortex, or ACC (purple), and the orbitofrontal cortex, or OFC (yellow). P. Shirvalkar Share this:EmailFacebookTwitterPinterestPocketRedditPrint By Laura Sanders May 22, 2023 at 11:00 am Scientists can see chronic pain in the brain with new clarity.