Computational Neuroscience Unit, Okinawa Institute of Science and Technology, Okinawa, Japan.|Computational Neuroscience Unit, Okinawa Institute of Science and Technology, Okinawa, Japan.|Computational Neuroscience Unit, Okinawa Institute of Science and Technology, Okinawa, Japan.|Computational Neuroscience Unit, Okinawa Institute of Science and Technology, Okinawa, Japan.|Computational Neuroscience Unit, Okinawa Institute of Science and Technology, Okinawa, Japan.