Visualising food cravings. (VIDEO) Champalimaud Centre for the Unknown This video is under embargo. Please login to access this 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.