1. From the Laboratory of Visual Physiology, National Institute of Sensory Organs, Tokyo, Japan; the2Laboratory for Integrative Neural Systems, Brain Science Institute, RIKEN, Saitama, Japan; and the
2. From the Laboratory of Visual Physiology, National Institute of Sensory Organs, Tokyo, Japan; the
3. Department of Ophthalmology, Keio University School of Medicine, Tokyo, Japan.
4. Laboratory for Integrative Neural Systems, Brain Science Institute, RIKEN, Saitama, Japan; and the