Alternating Serial Reaction Time Task (IMAGE) Georgetown University Medical Center Caption Study participants completed one of two sequence learning tasks that measured implicit learning. This image is the alternating serial reaction time task or the triplet-learning task. Credit Georgetown University Usage Restrictions This image should be used to describe research in the accompanying press release. 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.