1. Medical Institute of Developmental Disabilities Research, Showa University, Tokyo, Japan
2. Department of Language Sciences, Graduate School of Humanities, Tokyo Metropolitan University, Hachioji-shi, Tokyo, Japan
3. Research Center for Language, Brain and Genetics, Tokyo Metropolitan University, Hachioji-shi, Tokyo, Japan
4. Department of Psychiatry, Showa University School of Medicine, Tokyo, Japan
5. Department of Decoded Neurofeedback, ATR Brain Information Communication Research Laboratory Group, Kyoto, Japan
6. Department of Psychiatry, Kanagawa Psychiatric Center, Yokohama, Japan