We are a Stanford School of Medicine lab looking for healthy individuals to participate in a study of brain mechanisms of cognition. Participation entails interviews, computer testing, and magnetic resonance imaging (fMRI/MRS), which requires sitting sitting still in a dimly-lit space, and should take approximately four hours. Participants will be compensated up to $135 for their time. A confidential phone screen will be conducted to determine eligibility. For more information, visit http://med.stanford.edu/yoonlab/ If you're interested, please contact us at (650) 849-1930 or email brain-research@stanford.edu!