Wouldn't those numbers only be useful if you understood the impact of x% differences? Does a 10% increase in left-right connectivity make you 10 times better at

Wouldn't those numbers only be useful if you understood the impact of x% differences? Does a 10% increase in left-right connectivity make you 10 times better at some task or 1000 times better? I think we (or at least I!) know too little for any of this to be truly meaningful. But it's still interesting.