E/I Neurons (image) University of California - San Diego Share Print E-Mail Caption This fluorescent image shows excitatory neurons in green and inhibitory neurons in magenta. Credit UC San Diego School of Medicine Usage Restrictions Use credit as indicated above. 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.