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Everybody stammers once in a while, but people with early stage mild cognitive impairment seem to have verbal skills that get much worse faster than those who don't have thinking problems. Researchers like Kimberly Mueller at the University of Madison-Wisconsin are hoping analyzing speech may become a simple way to screen people for mental decline: "We all use different techniques to speak like fillers, we all use that occasionally, but in this case what we're seeing is something more severe than what is typical." Doctors think treatment might need to start early in a potential patient to do any good, so there's a push to find early signs. Jill Nado, FOX News. 来自:VOA英语网 文章地址: http://www.tingvoa.com/html/20180614/565649.html