"All observers are not led by the same physical evidence to the same picture of the universe, unless their linguistic backgrounds are similar” [Benjamin Whorf] (...) The crucial point is that everything that we see in the right half of our vision is processed in the left hemisphere of our brain, and everything we see in the left half is processed by the right hemisphere. And for most of us, the left brain is stronger at processing language. So perhaps the language savvy half of our brain is helping us out. (...)
Among those who were the fastest at identifying the odd color, English speakers showed no left brain / right brain distinction, whereas Korean speakers did. It’s plausible that their left brain was attuned to the distinction between yeondu and chorok. (...)
Language is somehow enhancing your left brain’s ability to discern different colors with different names. Cultural forces alter our perception in ever so subtle a way, by gently tugging our visual leanings in different directions. (...)
As infant brains are rewiring themselves to absorb our visual language, the seat of categorical processing jumps hemispheres from the right brain to the left. And it stays here throughout adulthood. Their brains are furiously re-categorizing the world, until mysteriously, something finally clicks into place."