PNES signs? Like Throckmorton's?
Now that I got the childish urge out of the way, on to the OP. I'm not sure what you meant by saying that doctors are supposed to treat every seizure pt like they are having a real seizure. We treat pts based on history, exam and experience. Some people are faking and easy to spot, "I'm still seizing and need 20mg of Valium to stop!" PNES are not fake, they are a true psychological response to a stressful stimuli. Without more details from the OP it's hard to know what else to say.