1 Department of Linguistics and Philosophy, MIT, Cambridge, MA, USA; Department of Philosophy, NYU, New York, NY, USA.
2 Department of Psychology, Northeastern University, Boston, MA, USA; Department of Philosophy, Northeastern University, Boston, MA, USA.
3 Department of Philosophy, NYU, New York, NY, USA.
4 RIKEN Center for Brain Science, Wako, Japan; Center for Neuroscience Imaging Research, Institute for Basic Science, Suwon, South Korea; Department of Biomedical Engineering, Sungkyunkwan University, Suwon, South Korea. Electronic address: hakwan@gmail.com.