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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 10/66 Dementia research group was founded in the year 1998 at the Alzheimer's Disease International Annual Conference in Cochin, India. The premise of the research group was that only less than 10% of the population based studies on dementia were being performed in developing countries where about 66% of population with dementia lived.
Due to the emphasis shifting to the earlier diagnosis of dementia, more people are assessed who report memory problems. In turn this also leads diagnosing more people who might have MCI which is a risk factor for dementia. Globally, approximately 16% of the population over the age of 70 experiences some type of mild cognitive impairment.
However, it also means people could be diagnosed with Alzheimer’s based on a blood test alone, even if they don’t have any memory difficulties. Biology should be the basis of the diagnosis ...
June 11, 2024 at 3:25 AM. A new model could spot signs of dementia years before diagnosis, according to new research. Bisual Studio/ Stocksy. A new machine learning model can predict the eventual ...
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 ...
Diogenes syndrome, also known as senile squalor syndrome, is a disorder characterized by extreme self-neglect, domestic squalor, social withdrawal, apathy, compulsive hoarding of garbage or animals, and a lack of shame. Affected people may also display symptoms of catatonia.
Rapid eye movement behavior disorder occurs when there is a loss of normal voluntary muscle atonia during REM sleep resulting in motor behavior in response to dream content. It can be caused by adverse reactions to certain drugs or during drug withdrawal; however, it is most often associated with the elderly and in those with neurodegenerative ...