Kihwan Han, PhD, Center for BrainHealth (IMAGE) Center for BrainHealth Caption This is Dr. Kihwan Han, research scientist at the Center for BrainHealth. Credit Center for BrainHealth Usage Restrictions None 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.