That Old Thing? Never Seen It Before (IMAGE) Brown University Caption In experiments, researchers introduced rats to images and then showed them both the old and new ones. They found they could control each rat's sense of whether images were old or novel. Credit Burwell lab/Brown University Usage Restrictions with credit License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.