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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]
The life expectancy in some states has fallen in recent years; for example, Maine's life expectancy in 2010 was 79.1 years, and in 2018 it was 78.7 years. The Washington Post noted in November 2018 that overall life expectancy in the United States was declining although in 2018 life expectancy had a slight increase of 0.1 and bringing it to ...
Rett syndrome diagnosis involves close observation of the child's growth and development to observe any abnormalities in regards to developmental milestones. [58] A diagnosis is considered when decreased head growth is observed. Conditions with similar symptoms must first be ruled out. [58] There are certain criteria that must be met for the ...
Alzheimer’s disease, the most common form of dementia, affects almost 7 million people in the United States alone. Following a diagnosis, it is difficult to predict how the disease will progress ...
Vascular dementia is dementia caused by a series of strokes. [2] [4] Restricted blood flow due to strokes reduces oxygen and glucose delivery to the brain, causing cell injury and neurological deficits in the affected region. [6] Subtypes of vascular dementia include subcortical vascular dementia, multi-infarct dementia, stroke-related dementia ...
Alzheimer's disease ( AD) is a neurodegenerative disease that usually starts slowly and progressively worsens, [ 2] and is the cause of 60–70% of cases of dementia. [ 2][ 15] The most common early symptom is difficulty in remembering recent events. [ 1] As the disease advances, symptoms can include problems with language, disorientation ...
The existence of alcohol-related dementia is widely acknowledged but not often used as a diagnosis, due to a lack of widely accepted, non-subjective diagnostic criteria; more research is needed. [10] Criteria for alcohol-induced persistent dementia in the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV) include the following: A.
This list of countries by life expectancy provides a comprehensive list of countries alongside their respective life expectancy figures. The data is differentiated by sex, presenting life expectancies for males, females, and a combined average. In addition to sovereign nations, the list encompasses several non-sovereign entities and territories.