[calamari4065]

Pretty interesting. No great surprise that we've had these varied neurotypes all along, IMO.

Since one of the biggest advantages of our species is our brains, it makes sense that evolution would produce slightly different types that give different advantages. Given that we're a social species, having a variety of neurotypes in a group would offer all the advantages while the group as a whole offsets the disadvantages like inattention.

Imagine a group of hunters. Someone with ADHD might hyperfocus and be really good at spotting fast prey like rabbits or birds, but may not notice a wolf creeping up on them. The group can compensate for that, and are more successful than without the ADHD tracker.

Just think about the wide variety in our bodies. There's a whole spectrum of physical ability from very small and nimble humans to very big and very strong ones. There's a huge range of different adaptations evolved by different groups. It really just makes sense that we'd see a similar sort of variety in structure and ability of something as complex as a brain.

Humans evolved to fill niches, same as any animal.