First thought would be to get a transformed animagus into an MRI or CAT scan or whatever and see if one transformed into, say, a cat, has the same sort of brain as a cat or if it is noticeably different.
First thought would be to get a transformed animagus into an MRI or CAT scan or whatever and see if one transformed into, say, a cat, has the same sort of brain as a cat or if it is noticeably different.