As far as I understand, the basics of neurogenesis (abstracted down to the level that makes sense to a computer scientist) is as follows: Neural progenitor cells differentiate into new neurons that ...
Although adult brains are malleable and even undergo limited neuorgenesis, the extent of the neuroplasticiy is much lower than in children. This is most obvious in language acquisition, and recovery ...
Muscles, if you don't use them, degenerate. Everyone who has had a broken leg in a cast for a few weeks and then seen the thin stick that reemerged once the cast was removed, can attest to that fact. ...