Wow....I'm so sorry to hear that. You and Presley are definitely on my mind and in my thoughts. The fluorescent light thing is because they flicker slightly and that is known to bring on seizures. My neice has epilepsy and her neurologist told her the same thing. When Jessie had hers Dr. B. told me that she would be tired from it and that was normal because they use so much energy and I should keep track on a calendar of when she had them to check to see if there was some sort of pattern, like time of day, number of days in between seizures...etc. I have never heard of food bringing them on, but just to be on the safe side you may want to talk to the vet about possible food allergies bringing them on. Do they do CAT or MRIs on dogs?? I know they're expensive, but I don't even know if they do that sort of thing. Please keep us up to date and know that you and Presley are being thought about.