Post-Lyme disease brain activation (IMAGE) Johns Hopkins Medicine Caption Noted by arrows, and yellow and red coloring, these brain scans indicate high activation levels of white matter in the frontal lobes of participants with post-treatment Lyme disease while performing a memory task. Participants without post-treatment Lyme did not show the same white matter activations. Credit Cherie Marvel, Ph.D., Johns Hopkins Medicine Usage Restrictions None 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.