Yi Xu is a Professor of Speech sciences at university college london in the Speech, hearing & phonetic sciences within the division of psychology and language sciences. his research deals with the basic mechanisms of speech production and perception in connected discourse, as well as speech prosody, and the computational modeling of the neural process of speech acquisition.
Sandra Trehub is Professor Emeritus of Psychology and Director of the music development lab at the university of toronto mississauga. The Focus of her research is on the development of listening skills in infants and young children. she also travels extensively to observe parents’ musical interactions with infants in different cultures.
José Ignacio Hualde is Professor of Linguistics, Spanish and Portuguese, French, Italian, and Second Language Acquisition and Teacher Education at University of Illinois. He is also affiliated with the Latin American and Caribbean Studies, the Center for Global Studies and the European Union Center.