No single test will prove you have post-concussion syndrome.
Your doctor may want to order a scan of your brain to check for other potential problems that could be causing your symptoms. A computerized tomography (CT) scan or magnetic resonance imaging (MRI) may be performed to detect structural brain abnormalities.
If you're experiencing a lot of dizziness, you may be referred to a doctor who specializes in ear, nose and throat complaints.
A referral to a psychologist or licensed counselor may be in order if your symptoms include anxiety or depression, or if you're having problems with memory or problem-solving.