While their size and shape vary with location in the nervous system, most neurones contain the same parts: a cell body; a number of highly-branched outgrowths of the cell body called dendrites; a single, long nerve fibre (or axon) extending from the cell body; and branches at the end of the nerve fibre (axon terminals).
My doctor said that usually happens when blood pressure is high and you get that strange head sensation. But as I was reading some documents on net, I found out that it could also be some sort of a panic attack. You could try next time it happens to relax, try thinking on some peaceful place, and just calm down.
What Causes Post-Traumatic Vertigo? There are many potential causes of post-traumatic vertigo: After a head injury, otoconia may be displaced from the utricle and migrate into other parts of the ear, causing dizziness. Positional vertigo, and particularly Benign Paroxysmal Positional Vertigo (BPPV).