Transformed Channel (IMAGE) NIH/National Institute of Mental Health Caption Researchers transformed an excitatory cellular channel borrowed from algae (above left) into a powerful inhibitory channel (lower right) that allows for precise experimental turning-off of neurons. Credit Andre Berndt, Ph.D., Soo Yeun Lee, Ph.D., Charu Ramakrishnan, and Karl Deisseroth, M.D., Ph.D., Stanford University 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.