The Mystery of Visual Stability (IMAGE) Tohoku University Caption Experimental procedures. Observers made a saccade to the target and responded to the direction of the target displacement made during the eye movement (left or right). Credit Satoshi Shioiri Usage Restrictions Satoshi Shioiri 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.