1. Duke Institute for Brain Sciences, Duke University, Durham, North Carolina
2. Center for Cognitive Neuroscience, Duke University, Durham, North Carolina
3. Department of Psychology and Neuroscience, Duke University, Durham, North Carolina
4. Department of Neurobiology, Duke University, Durham, North Carolina
5. Department of Psychiatry, University of Michigan, Ann Arbor, Michigan
6. Department of Biomedical Engineering, Duke University, Durham, North Carolina