News Brain mapping Share this: Share on Facebook (Opens in new window) Facebook Share on Bluesky (Opens in new window) Bluesky Share on X (Opens in new window) X Print (Opens in new window) Print Email a link to a friend (Opens in new window) Email By Chicago TribunePUBLISHED: December 4, 2002 at 3:00 AM CST | UPDATED: February 17, 2019 at 12:56 AM CSTGetting your Trinity Audio player ready... Brain mapping Share this: Share on Facebook (Opens in new window) Facebook Share on Bluesky (Opens in new window) Bluesky Share on X (Opens in new window) X Print (Opens in new window) Print Email a link to a friend (Opens in new window) Email
