What does periventricular white matter changes mean
Periventricular white matter changes are areas of damage in the brain's white matter — the tissue surrounding the ventricles, which are the fluid-filled...
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How does amyloid pet imaging work for alzheimers diagnosis
Amyloid PET imaging works by injecting a radioactive tracer into the bloodstream that travels to the brain and binds specifically to amyloid plaques — the...
What is the difference between an mri and ct scan for dementia
When a doctor suspects dementia, one of the first questions families ask is whether their loved one needs an MRI or a CT scan — and whether one is better...
Can genetic testing predict your risk of developing alzheimers
Genetic testing can meaningfully assess your risk of developing Alzheimer's disease, but it cannot predict with certainty whether you will or won't get it.
What does cortical thinning mean on a brain mri
Cortical thinning on a brain MRI refers to a measurable reduction in the thickness of the brain's outer gray matter layer — the cortex.
How often should older adults get cognitive screenings
For most adults over 65, cognitive screenings should happen annually — roughly as often as a routine physical exam.
What are the limitations of online dementia screening tests
Online dementia screening tests have significant limitations that make them unsuitable as diagnostic tools, despite their growing popularity as a first...
Can a spinal tap diagnose alzheimers disease
Yes, a spinal tap — formally called a lumbar puncture — can help diagnose Alzheimer's disease, and in many cases it provides some of the most reliable...
What does hippocampal atrophy mean on a brain scan
When a brain scan report mentions hippocampal atrophy, it means the hippocampus — a curved, seahorse-shaped structure deep in the temporal lobe — has lost...
How to prepare for a cognitive screening test
Preparing for a cognitive screening test is simpler than most people expect, and the most important thing to know upfront is this: you cannot study for it.