FRET (image) University of Miami Caption FRET (Förster resonance energy transfer) between the two interacting protein partners occurs, Cdc42 and WASp, within neurons, during the time and space that coincides with the formation of new synapses in the brain of the baby insect. Synapses connect individual neurons in the brain. Credit Akira Chiba / University of Miami Usage Restrictions Must be used with credit 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.