Your experience on the skeleton is not a sub-concussive impact. You are putting your brain under high stress. The momentary but sustained G forces push your blood around in your brain. This can cause problems. If there is vibration involved, that can make it worse.

Work-arounds and accommodations are ways we accomplish tasks by different means that the usual. Memory tricks, word finding tricks, etc.

btw, There is little value to identifying the cause. Treat the symptoms and avoid future trauma. Worrying about 'Did ..... cause CTE or such' is a waste of anxiety.