Beta bursts (IMAGE) Picower Institute at MIT Caption Data from a 2018 study by the authors shows bursts of brain wave power (warmer colors) at gamma (higher) and beta (lower) frequencies during a working memory task. When beta bursts appear, there are no gamma bursts. But when stimuli (S1) and (S2) are presented, an absence of beta allows gamma bursts to encode the information. Credit Miller Lab/MIT Picower Institute Usage Restrictions with credit License Original 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.