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http://abc.net.au/science/news/stories/s1137619.htmDogs can predict when a child will have an epileptic seizure up to several hours in advance, according to new Canadian research.
Dogs that predicted a seizure did so up to five hours in advance. But the average warning came between two and three minutes before an attack.
One dog, a sheltie-spitz cross, sat on a toddler before a seizure to prevent her from standing; a Rottweiler positioned himself on either side of a toddler before an attack to cushion the toddler's landing; and one dog would stop eating and drinking for hours to be with a three-year-old.
"But the worst part of the disease isn't a seizure, it's fear of the next seizure," says Kirton. "By knowing when a seizure might happen, it could liberate them and free them to do what they want to do."
Gregory Holmes, a neurologist at Dartmouth Medical School in New Hampshire, says the dogs could be detecting a change in smell. "People have autonomic changes, such as increased sweating, which a dog could pick up on."
http://www.newscientist.com/news/news.jsp?id=ns99996047