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What Happens to the Aging Brain
https://www.psychologytoday.com/blog/memory-medic/201211/what-happens-the-aging-brain
Deterioration of the brain sneaks up on most of us. The first clue might be hearing loss, especially in the higher frequencies. We may be forced into bifocals, even trifocals. But the most serious signs of deterioration occur in the brain.
As we age, our reflexes slow. We walk and act slower. We even talk slower. Our memory starts to fail, especially the short-term form of memory ability that is so crucial for learning new things.
Brain-scan technology reveals aging can cause the brain to shrink. Nerve tracts in the brain shrivel, making the cerebrospinal fluid cavities larger and even leaving gaping holes in the brain. Shriveling occurs in the neuron terminal branches that form the contact points among neurons. People may lose 40% or more of dopamine neurons causing Parkinson’s disease.
These are brutal truths. Whole societies are being affected in major economic and social ways in countries where the population is aging rapidly, such as Japan (23% over 65), Germany (20.5%), Italy (20.4%), and the U.S. (13%). The countries that show that fastest rate of change in population age, in order, are Iran, Vietnam, Mexico, India, and South Korea. The obvious consequences are a shrinking labor force and shifting of a nation’s wealth to health care.
https://www.psychologytoday.com/blog/memory-medic/201211/what-happens-the-aging-brain
Deterioration of the brain sneaks up on most of us. The first clue might be hearing loss, especially in the higher frequencies. We may be forced into bifocals, even trifocals. But the most serious signs of deterioration occur in the brain.
As we age, our reflexes slow. We walk and act slower. We even talk slower. Our memory starts to fail, especially the short-term form of memory ability that is so crucial for learning new things.
Brain-scan technology reveals aging can cause the brain to shrink. Nerve tracts in the brain shrivel, making the cerebrospinal fluid cavities larger and even leaving gaping holes in the brain. Shriveling occurs in the neuron terminal branches that form the contact points among neurons. People may lose 40% or more of dopamine neurons causing Parkinson’s disease.
These are brutal truths. Whole societies are being affected in major economic and social ways in countries where the population is aging rapidly, such as Japan (23% over 65), Germany (20.5%), Italy (20.4%), and the U.S. (13%). The countries that show that fastest rate of change in population age, in order, are Iran, Vietnam, Mexico, India, and South Korea. The obvious consequences are a shrinking labor force and shifting of a nation’s wealth to health care.