<s>[INST] My daughter 19 years of age suffered a seizure Thursday night. This is her fourth one, but nobody seems to be able to tell me what is causing them. They are random and her first one was when she was 13 years of age. We are thinking they are stress related. It appears that when she becomes so totally fogus on something like take a test, which is what she was doing the first 3 occasions she forgets to breath. Is this possible? Would this bring on an actual seizures. She has been through all the test. CT Scan, MRI, labs all negative results. [/INST] Hi, Thank you for posting your query. Seizures are due to abnormal electrical discharges in the brain, which happens intermittently (occasionally). Therefore, it is not uncommon to have normal CT and MRI reports. A prolonged EEG may be helpful to establish the origin of epilepsy. Stress can make seizures occur in a person, prone to get epileptic attacks, and not in a normal person. Please get back if you require any additional information. Best wishes, Chat Doctor. Ly/ </s>