posted on Jul, 27 2015 @ 02:35 AM
A couple of things, which may or may not help you op
this or ...
both will provide valuable information, people have been tracking the 'tingly' feelings for a while, trying to explain it as some thing that fits with
their form of relative personal psychosis.
I started with a knee injury, not bad enough to be seen to, but enough to use myself as a personal experiment from what I had learnt.
If you need something further