--my first skin biopsy at the height of my syndrome showed that I was in the third percentile of intraepidermal nerve fiber density; one two years later when symptoms were much reduced was at the 17th percentile, with the nerve fibers in much better condition (and was designated "normal"). Of course, no one has any idea what percentile I was at before all this started; density percentiles from 5 to 95, in the absence of evidence of actual fiber degeneration, are considered "normal" (which always seemed to me rather arbitrary--it's an artifact of the protocols of the original norming studies done at Johns Hopkins).

And, absolutely, through that whole healing process (and still sometimes) I have gotten burns, zaps, phantom sensations, parastheses, the whole host of odd and unusual sensations that are not objectively produced by external touch or reactions to temperature. And yes, a lot of them have felt like those that I have experienced in the damage phase. It's one of the reasons I have always encouraged people to keep detailed symptom diaries; it's often hard to tell the patterns except in long term retrospect. With healing, generally these sensation will crop up but they will be more intermittent and will eventually recede, but one may not be able to tell that unless comparing over months.