Rat Hippocampal Neurons (IMAGE) CNRS Caption These are rat hippocampal neurons in primary culture, showing a fluorescent soluble protein (left) and trajectories corresponding to the movement of the glutamate receptors on its surface, measured by following individual molecules. Credit Patricio Opazo/Daniel Choquet/IINS 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.