Cortical atrophy: Yes. The brain is like a muscle. If we don't use muscles, then they atrophy. Likewise with the brain we need to keep it stimulated with mental and physical exercises. Performing fine motor tasks or those that require significant focus increase brain function. Toxins such as tobacco and alcohol increase the rate of brain atrophy. Check out Lumosity.com.
Answered 4/23/2018
3.9k views
It can be: Most organs change in size during life depending on genetic and environmental factors. THe brain is similar, and thus there are age related estimates on such changes you note.
Answered 6/15/2017
666 views
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