Stacy Grieve, PhD,  —

Excessive Daytime Sleepiness Associated With Alzheimer’s Risk, Long-term Study Reports

Excessive daytime sleepiness or napping is associated with increased beta-amyloid plaques in the brain, a major characteristic of Alzheimer’s disease, according to a study that followed patients for more than 15 years. The study, “Excessive daytime sleepiness and napping in cognitively normal adults: associations with subsequent amyloid…

New Test Directly Measures Loss of Synapses in Alzheimer’s Patients

Researchers from Yale University have developed a new test that measures changes in synapses, which is   the structure that allows neurons to communicate with other neurons or cells through electrical/chemical signals. The technique uses positron emission tomography (PET) imaging technology to measure the activity of a specific protein linked…