Optical Pulse-Labeling Used to Track Proteins in Brain Cells (image) NIH/National Institute of Neurological Disorders and Stroke Share Print E-Mail Caption This is an image of a striatal neuron with activated Dendra2 protein. Credit Courtesy of Dr. Steven Finkbeiner, University of California, San Francisco. Usage Restrictions None Share Print E-Mail 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.