Marty is a 71-year-old patient in with a family history of Alzheimer’s disease. He has been participating in an Alzheimer’s disease research study for the past 5 years. In the study, he has been categorized as “prodromal” based on biomarker results and neuropsychiatric testing. Which of the following biomarker results are indicative of Alzheimer’s disease? Decreased CSF tau and elevated CSF beta amyloid,Elevated CSF tau and decreased CSF beta amyloid,Elevated CSF tau and elevated CSF beta amyloid,Decreased CSF tau and decerased CSF beta amyloid,Elevated CSF tau and decreased CSF beta amyloid
