Complex Partial/Night Terrors

I am new to this forum so please forgive any mistakes I may make. I am looking for different information on How Epilepsy is actually diagnosed. I was told by the Epilepsy foundation that recurring seizures is termed Epilepsy. I had been in a car accident 12 years ago. 9 months after that my problems began. At first it only happened while I was sleeping. I would scream, jump out of bed and run until I hit a door or a wall. The only way I could tell that something had occured was by the injuries, my bitten tounge (lip) or my family telling me. I have tried to jump off of the balcony, taken off my clothes, gone outside or walked around afterward talking nonsense. At times my memory is affected. I have seen many doctors. They said I suffer from Night Terrors. About 8 years ago they started to happen while I was awake. Many times I had gone grocery shopping and woke up in an ambulance. It got to where I could feel it coming. I would run and bite something. One doctor witnessed this and said "it looked like a complex partial seizure." After 10 years I was finally put on dilantin. # years ago. Now one of my main concerns is that I have NEVER been diagnosed. The last doctor I saw said that I have a mental problem. This is based on Normal EEGs. I had only seen this doctor twice. Has anyone else had similar problems in getting help??If someone else can relate to my story or give me feedback I would appreciate it. Thank you.