Visualising food cravings. (VIDEO) Champalimaud Centre for the Unknown This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption Scientists developed a new microscopy strategy to follow activity in the brain of a fruit fly while it's tasting different foods. With this approach, they revealed how pregnancy and protein-deprivation influence brain function to promote specific food cravings. Credit Ribeiro lab, Champalimaud Foundation. Usage Restrictions Only with credit. License Original 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.