How does isolation and lack of human contact effect people?

There is a part of the brain, in the back of the head, near the base of the head where it meets the spine, that atrophies with lack of human interaction. This is why human beings will go for negative attention if positive attentions can not be gained. It is a need.How does isolation and lack of human contact effect people?
They start to lose grip of sanity for one.


They start to believe what they tell themselves with no guidance, right or wrong theyre re-wiring their own brains to think the way they want, getting their own way even if that means harming things or people.


Violence, greed, anger, all these can be from lack of socialness.How does isolation and lack of human contact effect people?
idk but I'm one of those ppl