Hippocampus from mouse brain (IMAGE) Uppsala University Caption Messenger RNA in a small part of the hippocampus from a mouse brain. The colours represent different "social networks". Credit Gabriele Partel Usage Restrictions This image is only to be used when reporting about research of Gabriele Partel 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.