Chinese can contribute to a more balanced development of both children’s hemispheres. According to Swedish and Chinese scientists, the use of Chinese language activates both hemispheres of the brain at the same time. This is because Chinese is a tonal language, i.e. the meaning of a word varies depending on the height at which we say the same vowel. In addition, Chinese writing is a syllable record of ideographic and phonetic characters. In this way, this language develops musical hearing and plastic skills (right hemisphere), while simultaneously mastering speech and language functions (left hemisphere). https://www.pnas.org/content/early/2015/02/18/1416000112
And what if your child will not use Chinese in the future? According to Montreal researchers, neural connections will remain and will even be used unconsciously in thinking processes for many years to come.