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.
This can sometimes be due to procedures such as a lumbar puncture, or spinal tap.. Meningitis. An infection that causes swelling of the membrane that covers the brain and spinal cord. Head injury. A blow to the head can trigger a sudden, severe, and persistent headache. It can also cause an area of bleeding on the brain, known as subdural and epidural hematoma, that can trigger head pain. Blood clots.