Influence of Lack of Auditory Feedback on the Synchronization between Preverbal Vocal Behaviors and Motor ctions: Deaf and Hearing-Infants Compaired 論文 Keiko Ejiri ·1999-01-01 ·『The Japanese Journal of Educational Psychology』 47(1) pp. 1-10 doi:10.5926/jjep1953.47.1_1