Joshua A Gordon1, Kafui Dzirasa2. 1. Department of Psychiatry, Columbia University, New York, NY 10032, United States. Electronic address: jg343@cumc.columbia.edu. 2. Department of Psychiatry and Behavioral Sciences, Duke University, Durham, NC 27710, United States; Department of Neurobiology, Duke University, Durham, NC 27710, United States; Department of Biomedical Engineering, Duke University, Durham, NC 27710, United States.