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OBJECTIVE Both amyloid-β (Aβ) deposition and brain atrophy are associated with Alzheimer's disease (AD) and the disease process likely begins many years before symptoms appear. We sought to determine whether clinically normal (CN) older individuals with Aβ deposition revealed by positron emission tomography (PET) imaging using Pittsburgh Compound B (PiB)(More)
Interferon alfa2 (IFN-alpha2) is a parenterally administered cytokine used to treat patients with Hepatitis C and B, and malignancy. Interferon (INF) has a relatively high rate of central nervous system (CNS) adverse effects, including agitation, depression, fatigue, cognitive dysfunction, suicidal thought and drug craving. Using functional magnetic(More)
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