Zebrafish Larva (image) Max-Planck-Gesellschaft Caption The partly embedded larva observes the virtual prey on a small screen. As soon as it swims in a particular direction, a rotation is simulated by the shifting of the projected environment. Credit Max Planck Institute for Medical Research /Trivedi; Bollmann Usage Restrictions None 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.