article_snippet: In my early 30s, I started having episodes of feeling very nervous and anxious, with butterflies in my stomach and a feeling of being on edge,' says the 43-year-old. '
article_snippet: Sometimes, I wouldn't know where the last 30 seconds had gone and would feel confused, but still nervous and agitated, wondering what had just happened.'
article_snippet: One such example is with gelastic seizures - where patients may burst out laughing for no apparent reason, because the part of the brain involved in the seizure is also involved in laughter.
article_snippet: Or if the laughing attack is followed by losing consciousness and having a convulsion, diagnosis is easier.'
article_snippet: Structures in and close to the temporal lobe may also cause the heart to race and the sweating that may go along with the heart. '
article_snippet: Other signs may include deja vu and some experience "gastric rising" - that feeling in the stomach when you go over a humpback bridge. '