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Amyloid-related imaging abnormalities (ARIA) are abnormal differences seen in magnetic resonance imaging of the brain in patients with Alzheimer's disease. ARIA is associated with anti-amyloid drugs, particularly human monoclonal antibodies such as aducanumab. [1] There are two types of ARIA: ARIA-E and ARIA-H.
The diagnosis of Alzheimer's disease typically requires a microscopic analysis of plaques and tangles in brain tissue, usually at autopsy. [40] However, Aβ plaques (along with cerebral Aβ-amyloid angiopathy ) can be detected in the brains of living subjects by preparing radiolabeled agents that bind selectively to Aβ deposits in the brain ...
Scientists have spotted changes in brain activity that may point to Alzheimer’s. RapidEye/Getty Images ... the cause of Alzheimer’s disease includes the build-up of amyloid-beta and tau ...
Posterior cortical atrophy (PCA), also called Benson's syndrome, is a rare form of dementia which is considered a visual variant or an atypical variant of Alzheimer's disease (AD). [ 1 ] [ 2 ] [ 3 ] The disease causes atrophy of the posterior part of the cerebral cortex , resulting in the progressive disruption of complex visual processing . [ 4 ]
A large study in China tracked middle-aged and older adults for 20 years, using regular brain scans, spinal taps and other tests. ... The amyloid finding in future Alzheimer's patients was the ...
While eye scans can’t yet diagnose Alzheimer’s disease, Dr. Simon Law, MD, an ophthalmologist at UCLA Health, says these studies are helping doctors better understand the connection between ...
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