The neurologist called early signs of dementia 10-15 years before the diagnosis

Neurologist of Atlas clinics Igor Matsokin spoke about the signs of future dementia. These symptoms may appear 10-15 years before diagnosis. The doctor said this in an interview with the publication “Tape.ru”.

80% of people with this disorder develop Parkinson’s disease or dementia with Lewy bodies within 10-15 years of its onset.

The neurologist identified several key markers of the disease. Sleep disorders appear several years before the illness. Reduction of the deep phase of sleep is the first warning sign. Losing just 1% of slow-wave sleep per year increases the risk of dementia by 27%.

In the deep phase, the brain is cleared of toxic proteins. Motor arousal during dreams is considered a specific marker. Normally, the muscles of a person are paralyzed in sleep.

Excessive drowsiness is also associated with the risk of developing pathology. Regular sleep of more than nine hours in the elderly leads to rapid loss of cognitive function. The risk of Alzheimer's disease in this case is twice as high. Displacement of circadian rhythms indicates the degradation of a certain area of the brain. This area regulates sleep and wake cycles.

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