this is hard to say. as you have had auras for so long, there is a possibility that you could have grand mals. but maybe not as you have been grandmal free for so long. it depends are you on medication, if so maybe it is keeping your grand mals at bay. I can not guess, or say because i am not a dr, but maybe you should ask your dr. do you have regular eeg's , or see a neurologist. they maybe able to enligten you more on the subject then i can. But i guess if your eeg pattern has changes then it may be possible.
sami

have never had grand mal seizure (touch wood), on lamotrogine. dont see neurologist often. just curious really to know if anyone with long term aura epilepsy had moved on. will ask neuro when see her next. thanks for reply