East Pacific Red Octopus Arm Motion (VIDEO) American Geophysical Union This video is under embargo. Please login to access this video. Caption The graphs represent angular speed of the arms over time. These graphs can indicate synchronous or asynchronous movement patterns between arms, which indicates when arms are receiving a common signal from the brain or the environment. Credit Dominic Sivitilli/ University of Washington Usage Restrictions include 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.