How the Mind Works, Is It?

When people pick things, they adjust their hand position to the approximate size of the thing they're about to pick up. But when you look at it, ah, it's clear, like you just have this overwhelming impression that one circle is bigger than the other. So here's the interesting part. It turns out that the circuitry in your brain that a just the size adjust the size of your your grip, is not fooled by that illusion, so, right?