MINNEAPOLIS — December 10, 2014 — People who have sleep apnoea or spend less time in deep sleep may be more likely to have changes in the brain that are associated with dementia, according to a study published in the December 10, 2014, online issue of the journalNeurology.
The study found that people who don’t have as much oxygen in their blood during sleep, which occurs with sleep apnoea and conditions such as emphysema, are more likely to have micro infarcts than people with higher levels of oxygen in the blood. Micro infarcts are associated with the development of dementia.
PHOENIX, Ariz — December 9, 2014 — Healthy, elderly research participants who report being more sleepy and less rested have higher levels of amyloid deposition in regions of the brain that are affected in Alzheimer’s disease, according to a study presented today at the Annual Meeting of the American College of Neuropsychopharmacology (ACNP).
If sleep disturbance is a cause of amyloid accumulation, it may be an early target for intervention to prevent the progression of cognitive deficits in late life.
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