Hand Movements (IMAGE) Moscow Institute of Physics and Technology Caption In a 2013 study by Yasuhiko Nakanishi et al. published in PLOS One, patients moved three blocks along the sides of a 25-by-25-centimeter square. Signals picked up from the brain of a patient were recorded as electrocorticograms (ECoGs) and matched with the hand movements. Credit Lion_on_helium/MIPT Press Office 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.