The orthodox view of human handedness is that it is connected to the bilateral specialization of the brain that has concentrated language-processing functions on the left side of that organ.

关于人的利手习惯的传统观点是，利手习惯与大脑的双侧专门化有关，而语言处理功能集中在大脑的左侧。

youdao

The corpus callosum, which connects the brain's left and right hemispheres and carries traffic essential to many advanced brain functions, steadily thickens.

胼胝体(连接大脑左右两半球，负责传递对高级大脑功能有重要意义的信息)在稳步增厚。

youdao

Or exactly how being left-handed, which relates to brain symmetry, translates into other functions of the brain.

还有我们知道左撇子和大脑的对称性有关，但到底如何解释大脑的其它功能呢？

youdao

The mechanism behind this bias appears to be located in a specific part of the brain, the left inferior frontal gyrus, which is involved in language, among other functions.

WSJ: Resolutions: So Irresistible, So Hard to Keep