LSD Bound in Serotonin Receptor (IMAGE) Cell Press Caption This image shows an artistic representation of LSD -- highlighted in rainbow -- bound and trapped in the serotonin receptor (gray). Credit Robin Betz, Stanford University Usage Restrictions Credit Required. 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.