Wow, Your symptoms go far beyond the usual cluster of PCS/mTBI symptoms. It appears you have focused on Carrick chiro threatments.

I wonder if you have been influenced by a sell job by the Carrick chiro. It is a problem many have.They tend to think every symptom, no matter how minor it is, deserves highlighting.

Many symptoms can be observed by a detail oriented diagnostician but do not mean the patient has a deficiency due to every symptom.

I have horizontal nystagmus. I've had it for decades. It does not change my life unless I try to swing at a pitched baseball.

If you are experiencing slurred speech, you are still in an acute phase. Have you been assessed by a rehabilitation neuro or physiatrist?

Or, is the list of symptoms what you started with?

What work-arounds do you use to reduce the impact of your symptoms? Studies show that most improve better when they use work-arounds to overcome symptoms and get on with their lives.