Selective Recruitment of PKMzeta (IMAGE) NIH/National Institute of Mental Health Caption This is a close-up of a neuronal extension, revealing that PKMzeta (yellow/red) appears to be selectively recruited only to certain brain connections, where it's likely needed to help support memories. Credit Todd Sacktor, M.D., SUNY Downstate Medical Center Usage Restrictions None License Licensed 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.