Nerves that fire together wire together

"Nerves that fire together wire together"

This is a comment from a physio podcast I was recently listening to, and it's a phrase that really got me thinking. There is plenty of science available now demonstrating the plasticity of the brain, it's ability to adapt over time. Monty Roberts has often mentioned what he calls 'muscle memory', in particular in relation to loading - where the more times the horse goes up the ramp successfully the more his muscles will remember that pattern. 

In the podcast they were discussing chronic pain, and how in some cases the brain still signals pain even though the original injury is long healed. The interviewee explained that if you spent a couple of years intensely learning to speak French, for example, you couldn't just 'unlearn' it. I felt that was a great way of explaining how some people continue to suffer long after it seems they should have recovered.

How does this apply to horses though? I'm not sure. I think that in far too many cases, a horses attempts to communicate pain or discomfort are dismissed as being 'remembered pain'. The classic is the horse whose saddle didn't fit, and once the saddle has been adjusted he continues to grump about the saddle being put on. Is that because the pain from the old saddle hasn't resolved, does the new saddle not fit as well as it should, is he displaying 'remembered pain', or was the original problem actually not about the saddle?

It's a really tough one, because we can only pick practitioners we trust and respect and go by what they say. Personally I believe that in the huge majority of cases, the horse is genuinely trying to communicate. Sadly this doesn't necessarily make it any easier to decipher what he's trying to say!