Rats String Together Memories (IMAGE) Johns Hopkins Medicine Caption Each of the five panels shows a memory snapshot created by hundreds of place cells while the rat was physically stationary at the top of the 1.8 m track (black). The time difference between the first and last snapshot is a mere one-fifth of a second; the positions represented by the neurons are shown in bright colors. Credit Reprinted with permission from Pfeiffer and Foster, <i>Science</i>, 349:180 (2015) Usage Restrictions Not without permission from Science 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.