Visualizing Vision (VIDEO) Picower Institute at MIT This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption Two-photon imaging of a stretch of dendrite and its spines in the intact brain of a behaving mouse. A red fluorescent protein is used to visualize the structure of the dendrite, while calcium activity in individual spines is monitored with a green indicator. Branch-wide and spine-specific signals can be observed in response to visual stimuli. Credit Sur, et. al. Usage Restrictions with credit 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.