Computation & Neural Systems, California Institute of Technology, Pasadena, California, United States of America.|Computation & Neural Systems, California Institute of Technology, Pasadena, California, United States of America.|Computation & Neural Systems, California Institute of Technology, Pasadena, California, United States of America.|Computation & Neural Systems, California Institute of Technology, Pasadena, California, United States of America.|Computation & Neural Systems, California Institute of Technology, Pasadena, California, United States of America.|Computation & Neural Systems, California Institute of Technology, Pasadena, California, United States of America.