The Task (image) Brown University Share Print E-Mail Caption Over the course of about three seconds, experimental subjects saw a 2 X 2 grid of images, chose one and received feedback about whether it happened to be correct. Credit Asaad et. al. Usage Restrictions with credit Share Print E-Mail 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.