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Learning about the dementia stages can help caregivers track and monitor stage-related symptoms to identify a loved one’s brain-health status. The seven stages of dementia include: Stage 1: No ...
An estimated 5.8 million people in the U.S. have Alzheimer’s disease and related dementias, but the condition can be tricky to diagnose.Patients usually are put through a series of tests, and it ...
The symptoms of this dementia depend on where in the brain the strokes occurred and whether the blood vessels affected were large or small. [13] Repeated injury can cause progressive dementia over time, while a single injury located in an area critical for cognition such as the hippocampus, or thalamus, can lead to sudden cognitive decline. [72]
“Alzheimer’s disease has a long pre-symptomatic period; Alzheimer’s-related changes take place in the brain 10, 15, even 20 years before the onset of memory and thinking symptoms.
The first symptoms are often mistakenly attributed to aging or stress. [34] Detailed neuropsychological testing can reveal mild cognitive difficulties up to eight years before a person fulfills the clinical criteria for diagnosis of Alzheimer's disease. [35] These early symptoms can affect the most complex activities of daily living. [36]
Signs and symptoms are classified into three groups based on the affected functions of the frontal and temporal lobes: [8] These are behavioural variant frontotemporal dementia, semantic dementia, and progressive nonfluent aphasia. An overlap between symptoms can occur as the disease progresses and spreads through the brain regions. [14]