Academy of Sciences of Heroesland

I didn't mean anything organic by "shell." Now, it's already possible to create a biomechanical shell. All that's left is to wait for the first cyborgs to appear. But there's one problem: it's necessary to maintain the brain's vital functions for a long time. And cloning might help us with that. That is, we could replace old brain cells with new ones obtained from a clone. But what will happen to the person? Will they lose their identity?