Harvard University - Department of Neurobiology, Harvard University - Department of Neurobiology, Harvard University - Department of Neurobiology, Harvard University - Department of Neurobiology, Dalhousie University - Department of Psychology and Neuroscience, Dalhousie University - Department of Psychology and Neuroscience, University of California, Los Angeles (UCLA) - Department of Biological Chemistry, New York University (NYU) - Department of Biology, Dalhousie University - Department of Psychology and Neuroscience, Harvard University - Department of Neurobiology and Harvard University - Department of Neurobiology