Sight Unseen (VIDEO) Rockefeller University This video is under embargo. Please login to access this video. Caption By measuring electrical activity in individual neurons, scientists have discovered that a fly's brain can cancel out misleading visual signals, effectively blinding the insect to sensory information that would otherwise interfere with its ability to turn while flying. Credit Laboratory of Integrative Brain Function at The Rockefeller University Usage Restrictions Video may be used only to illustrate the research described in the accompanying release. 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.