https://www.bbc.com/future/article/20140514-how-extreme-isolation-warps-minds

When I talk about how we’re fundamentally social, I mean something far deeper than the easily dismissed language. I mean, for example, that we’re ‘made for’ extremely complex social identity, role and relation. And when deprived of that, we naturally become pathological… because the ‘atmosphere’ our kind of animal is born to need and crave… is deeply authentic, rich, social depth….