There's a very interesting Brazilian case: Herbert Vianna, singer of the band "Paralamas do Sucesso" crashed his ultra-light aircraft and had some brain damage.

There's a very interesting Brazilian case: Herbert Vianna, singer of the band "Paralamas do Sucesso" crashed his ultra-light aircraft and had some brain damage. He can't walk anymore, after the accident he couldn't speak Portuguese but could speak English. He had to relearn who he was and quickly came become to the successful artist he always was. He even recovered hos political views.