Scientists within the Wisconsin Alzheimer’s Disease Research Center and internationally have found evidence that tau PET (positron emission tomography) scans are highly specific to Alzheimer’s disease. In a study published in December 2019, Tobey Betthauser, PhD, concluded that the presence of both amyloid and tau protein deposits are associated with cognitive decline during the preclinical phase of Alzheimer’s disease. Similarly, a study led by Oskar Hansson of Skåne University Hospital in Sweden and published...



