Wiring diagram (IMAGE) Virginia Tech Caption Nine days-old zebrafish with labeled retinor-recipient neurons (rainbow pseudocolored). Unlabeled neurons are overlayed in gray. Virginia Tech scientists have improved their method to map the zebrafish brain -- an advance that could improve understanding of how the human brain functions. Credit Albert Pan lab/Virginia Tech Usage Restrictions None 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.