There are many ways for the human brain to malfunction as a result of developmental problems or pathologies.

And also many ways for human brains to develop differently, says the autistic woman who seems to be doing about as well at handling life as most people do.

Didn't we even have a post about this recently? Really, once you get past "maintain homeostasis", I'm pretty sure there's not a lot that can be said to be universal among all humans, if we each did what we personally most wanted to do. It just looks like there's more agreement than there is because of societal pressure on a large scale, and selection bias on an individual scale.