Neurons Firing (VIDEO) Howard Hughes Medical Institute 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 These red and yellow flashes show neural activity in the zebrafish spinal cord, pictured here 24 hours after fertilization. The imaging reveals the neural activity patterns underlying the spontaneous coiling movements that precede coordinated swimming behavior in young zebrafish. Credit Yinan Wan et al./<i>Cell</i> 2019 Usage Restrictions Please use 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.