Neurons (IMAGE) Dartmouth College Caption This image shows the dorsolateral striatum. The red cells are all neurons. The green cells are the neurons that express channelrhodopsin, the receptor for optogenetic excitation. Credit Image provided by study co-authors 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.