It’s true that different parts of the brain typically provide different functions. It’s just that the idea that some people are dominated by their right hemisphere turns out be conclusively wrong. But let me mix in another idea. It’s possible that thousands of years ago, minds weren’t so integrated and there were people who were dominated by the right hemisphere. More on that tomorrow.
Debunked: ‘Right-Brain’ and ‘Left-Brain’ Personalities — PsyBlog
Evidence from over 1,000 fMRI brain scans finds no evidence people are ‘right-brained’ or ‘left-brained’.