The phenomenon of laterality affects not only language but also, as is well-known, hand preference (and to some extent also preference in the use of eye, ear, and foot).

• 侧化的现象不仅影响了语言，还有众所周知的惯用手（还有其他延伸的部位，如惯用眼、惯用耳、惯用脚等）。