“Open-ended movements structure sensorimotor information in early human development” by Hoshinori Kanazawa, Yasuo Kuniyoshi et al. has been released in Proceedings of the National Academy of Sciences (PNAS).
（https://www.pnas.org/doi/10.1073/pnas.2209953120）
Moreover, this work has been featured in NEWS at U-Tokyo FOCUS.
(https://www.i.u-tokyo.ac.jp/news/press/2022/202212272160.shtml)