hi,
I recently joined a practitioner workshop for post concussion syndrome and found it really helpful to understand my issues, potential causes and where I should look for help. Link below.
It also stated, nervous system dysfunction should be one of the first tests as if this isn’t fixed it will prevent vestibular physio etc to fully work which I think is what has happened to me.
below is the workshop in Facebook link, company is Complete Concussion Management based in Canada. You may have seen their YouTube videos. After the workshop and a few days later I was then given a free trial which goes into more detail
webinar.concussiondoc.io/s/...
Some screenshots below which I found useful