Letters Drawn by Participants (IMAGE) Cell Press Caption This image shows different letter-like shapes (W and Z) created by different dynamic stimulation patterns, with the stimulation pattern on the left and the participant drawings on the right. Credit Beauchamp et al./Cell Usage Restrictions Credit Required 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.