Illustration (image) California Institute of Technology Share Print E-Mail Caption This image shows interactions between Dprs and DIPs mediate connectivity in the fly brain. Dpr-expressing neurons (yellow) connect with DIP-expressing neurons (red) in the optic lobe. Credit James Hernandez and Robert Carrillo Usage Restrictions With appropriate credits Share Print E-Mail 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.