What's a good way to check if my mom has a concussion?

Formal evaluation: There are doctors (specially trained physiatrist, neurologist, neurosurgeon) who can administer tests and evaluate your mom to see if she suffered a concussion. Based on her symptoms, such as headaches, nausea, fatigue, poor concentration, irritability, more emotional, sleep disorder, the doctor can make a diagnosis of concussion and how to treat it.