This isn't "memory"... it's just damaged tissue being stressed once again, and
the "pain" sensation is actually new stuff, most likely in response to
substances released from the newly stressed, recently-damaged tissue. ken
John Hasenkam wrote:
> The CNS does have some capacity for 'remembering' pain. During high g
> manoeuvres pilots sometimes experience pain in the lower face and teeth.
> Looking into this it was established that those pilots who had recent dental
> work reported pain in the teeth far more often than the face in general.
>> Pain receptors may retain some sensitivity after a prolonged bout of firing
> (LTP?). This form of sensory memory probably finds its origin at the sensory
> receptor sites, possibly the brainstem, probably not higher. It makes sense,
> an area once injured should be 'watched' more carefully by the CNS, although
> there do seem to be circumstances where the mechanism goes overboard. Is
> this a conscious remembering?