Optogenetics (IMAGE) Columbia University Irving Medical Center Caption In optogenetics, a light beam is used to write information to nerve cells in the brain. Credit Gero Miesenböck Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. Adaptations must be shared under the same terms. License CC BY-NC-SA 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.