Hirata, Yu. Brain activation in an intermediate-level Japanese learner - Correlation analysis of fNIRS data during written tests and conversation -. Buckeye East Asian Linguistics 2 (BEAL 2). 2016. 2. 18-35
絶え間ない変化の中で:ガ格の使用に見られる革新性」 (In the midst of unceasing change: Innovative uses of ga in Japanese)
(The 8th International Symposium on Japanese Studies on the topic "Tradition and Innovation in Changing Japan" (変わりゆく日本における伝統と革新) 2018)