Diagnosing someone with a neurological condition is often likened to doing a jigsaw puzzle: collecting all the pieces together and putting them in the right order. Your symptoms are clues for your doctor, which all help to create a fuller picture. The idea is to explore the possible causes of your symptoms.
This article looks at the process of getting a diagnosis and what might be involved
I was hit by a car and killed due to a massive head (brain!) injury. I am disinhibited and in constant pain; parts affected were vision, hearing, concentration, balance, speech, information processing, memory... I forget! It has to be neurological, surely? Apparently not!
I think, at least I hope, it’s a print error on your part 😊 You say you were hit by a car and killed?
After being hit by a car, in A&E, my heart stopped beating. Yes, it was restarted, but had the doctors done nothing I wasn't coming back alive. Ergo, for a brief moment, I was dead!
Read all about it in my book Flight of a Lifetime 
Oh right! I thought you’d done a misprint. I understand now what you meant. You were very lucky, by the sound of it!
I remember going through testing when I was seventeen for the diagnosis of epilepsy... It was 'guinea pig' time and took 3 years to diagnose. Living in Zimbabwe then was extremely difficult as there were few experienced doctors and one had to go to South Africa for further testing. I am now based in Northern Ireland and just had brain aneurysm surgery but am grateful to all doctors, surgeons, neurologists and more for creating the fuller picture!
Memory problem and sleepiness on gabapentin?
The secrets of pain: My Truth. Please can i park this here for a bit... 
METHODS OF PAIN RELIEF?
Stabbing left side head pain!
