For the first time, a study shows an online assessment can provide a scientific measure of acetylcholine—a key brain chemical, which declines progressively with cognitive aging and even more quickly ...

Learn how the brain’s replay system helps us consolidate memories — and what goes wrong when Alzheimer’s disease interferes ...

Memory dysfunction in Alzheimer's disease may be linked to impairment in how the brain replays our recent experiences while ...

Alzheimer’s memory loss may be linked to disrupted brain activity during rest, when recent experiences are usually replayed ...

When the brain rests, it usually replays recent experiences to strengthen memory. Scientists found that in Alzheimer’s-like ...

A new study from Western University is helping to explain why the long-term use of common anticholinergic drugs used to treat conditions like allergies and overactive bladder lead to an increased risk ...

September 21, 2025, marked the 32 nd World Alzheimer’s Day. Alzheimer’s disease (AD) is the primary cause of dementia. Often linked to aging, it is a progressive neurodegenerative disorder, not a ...

Read about the backgrounds and research interests of team members in Dr. Grinberg's Neurodegeneration and Sleep Pathology Lab at Mayo Clinic.