1. Department of Physics, North Carolina Agricultural and Technical State University, Greensboro, NC, USA
2. Computational Neuroscience Initiative, University of Pennsylvania, Philadelphia, PA, USA
3. vsin@sas.upenn.edu
4. Department of Psychology, University of Pennsylvania, Philadelphia, PA, USA
5. Neuroscience Graduate Group, University of Pennsylvania, Philadelphia, PA, USA
6. Bioengineering Graduate Group, University of Pennsylvania, Philadelphia, PA, USA
7. jburge@psych.upenn.edu
8. brainard@psych.upenn.edu