Learning another language is one of the deepest and most human things one can possibly do, writes Douglas Hofstadter.

This post was co-authored by Tabitha J. E. Chua, M.A., a graduate student in the Department of Psychology at the National University of Singapore, and Steven C. Pan, PhD, also from the National ...

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Adults learning another language often tend to continue using the intonation of their native language. This causes them to make mistakes in the new language: incorrect intonation can change the ...