Interesting. I always heard people refer to this as proven fact.
I’d heard it is a myth but didn’t know the reasoning. Interesting video, thanks for posting.
Its coupled with all sorts of stuff (I guess urban legends, possibly?) I have heard like, allegedly, like: “If you turn your head X way, you activate Y lobe of the brain, making you slightly more Z”, or something of the like.
This says something about requiring a holistic development, rather than just one specific characteristic.
Drats! Another comforting meme down the drain.
But now we can all say that we are “both brained”.