Nerve cells (in red and green) (IMAGE) University of Göttingen Caption The two types of nerve cells that were studied are shown here, dye-labelled in a mouse cortex (red: fast-spiking interneurons; green: firing-rate adapting interneurons). Credit J. Staiger, Institute for Neuroanatomy Usage Restrictions None License Original 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.