Shawn Lockery, University of Oregon (IMAGE) University of Oregon Caption Shawn Lockery of the University of Oregon led a study that probed the activity of neurons in nematodes as they randomly sought food. The on-and-off activity of the neurons, which directed the roundworms' movements, appeared to be very similar to fragmentation often observed in human sleep problems. Credit Photo by Dustin Whitaker 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.