In fact speculation on the subject goes back more than two millennia: Greek physicians in the third century BC held that the right hemisphere was specialised for perception, and the left hemisphere for understanding – which, if nothing else, shows a remarkably interesting train of thought.1
Wow! Gives some credence to the idea that ancient knowledge can have modern valence. I.e. Given the oral nature of knowledge transmission prior to this, surely some undersandings exist either warped or 'hidden' in the language of myth.

