Oligodendrocyte precursor cells (IMAGE) Cold Spring Harbor Laboratory Caption Cells called OPCs, colored green, help the brain fine-tune its neural circuits as young animals develop. They engulf and eliminate connections, colored purple, the brain doesn’t need. Understanding this process may inform new treatments for neurological disorders. Credit Cheadle lab/Imaris software/CSHL, 2022 Usage Restrictions Attribution required 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.