If you get a coma and then wake up, then can your brain function faster?

Can it happen if you get lucky or does it barely ever happen?

---

Answer:
Given that comas are the result of things going massively wrong with your body, and that big problems tend to result in longterm damage, I`d state no. You`d most likely be even dumber than before.

---

Answer:
I think the brain would either function at the same speed it did before the coma or slower.

---

Answer:
I think it's the opposite…