Im interested how you went ?

There is a locking up or locking down that can occur in between the free wheeling cartaliage between the speniod and the occipital bone of the skull (just above the roof of the mouth) that can be released by a set exersize between two people.
When taking a shock or jar it can lock up or down and that stops it moving freely as we breathe in and or out which in turn can effect circulation in the brain making for a foggy head . Extremes are when it is locked up or down and can effect the start or end of breathing cycles which take the spark right out you .

Ask your usual nuts and bolts doctor about this and he will tell you you've been talking to a mad man though.