1. From the Laboratory of Visual Physiology, National Institute of Sensory Organs, Tokyo, Japan, 2Laboratory for Integrative Neural Systems, RIKEN Brain Science Institute, Saitama, Japan, and
2. From the Laboratory of Visual Physiology, National Institute of Sensory Organs, Tokyo, Japan, 2Laboratory for Integrative Neural Systems, RIKEN Brain Science Institute, Saitama, Japan, and 3Department of Ultrastructural Research, National Institute of Neu
3. Laboratory for Integrative Neural Systems, RIKEN Brain Science Institute, Saitama, Japan, and