Neurons - Disc1 (IMAGE) Johns Hopkins Medicine Caption Disc1: Neurons (red) in the brain's hippocampus that produces a mutant Disc1 protein. When treated with THC, there are much fewer inhibitory signals (green) in the synapses--the junctions where neurons communicate with one another. Credit Pletnikov lab 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.