Dr. Roberts looks at brain scans (IMAGE) Medical University of South Carolina Caption In addition to preparing for space colonization, Donna Roberts, M.D., an MUSC Health neuro-radiologist and the primary investigator for this research paper, says studies like this one also help doctors learn more about conditions that affect people on earth generally. Credit Sarah Pack 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.