Same/Different Task (IMAGE) University of California - San Diego Caption Children were shown that either identical pairs of blocks or mismatched pairs of blocks activated a toy to play music. They were then asked to choose which novel pair was going to do the trick. Credit Courtesy Carstensen <em>et</em> <em>al</em>, <em>PNAS</em>. Usage Restrictions Only with reporting on this study. 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.