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Because stem cells can divide, and differentiate into many types of cells, the game-changing discovery suggested that neurogenesis could hold the key to treating conditions such as Alzheimer's disease
The science of neurogenesis suggests it's possible to create neurons that improve your memory and thinking skills.
"The dogma for the longest time was that adult brains couldn't generate any new brain cells. You just use what you were born with," says Dr. Amar Sahay, a neuroscientist with Harvard-affiliated Massachusetts General Hospital. "But the reality is that everyone has the capacity to develop new cells that can help enhance cognitive functions."
Even in old age, though, the brain still produces about 700 new neurons in the hippocampus per day, according to a 2013 study in the journal Cell. That many not seem like much, since the brain contains billions of neurons, but Dr. Sahay says this small amount has many valuable properties.
"And if you can increase that number even more through neurogenesis, you can help restore these key brain functions," he says.
Neurogenesis may even help protect against Alzheimer's, since the death of brain cells is linked to the disease (although many other factors also contribute to the disorder). And it may both treat and prevent depression. Depression slows neuron production, and research has shown that a series of depression episodes can shrink the hippocampus by 10%.
...not clear why this type of exercise may work better. One theory is that sustained aerobic activity releases a protein in the brain called brain-derived neurotrophic factor, which has been shown to regulate neurogenesis.
A study published Dec. 5, 2015, in The Journal of Neuroscience found that playing three-dimensional video games improved memory performance 12% more than playing two-dimensional games.
The science of neurogenesis suggests it's possible to create neurons that improve your memory and thinking skills.
"The dogma for the longest time was that adult brains couldn't generate any new brain cells. You just use what you were born with," says Dr. Amar Sahay, a neuroscientist with Harvard-affiliated Massachusetts General Hospital. "But the reality is that everyone has the capacity to develop new cells that can help enhance cognitive functions."
Even in old age, though, the brain still produces about 700 new neurons in the hippocampus per day, according to a 2013 study in the journal Cell. That many not seem like much, since the brain contains billions of neurons, but Dr. Sahay says this small amount has many valuable properties.
"And if you can increase that number even more through neurogenesis, you can help restore these key brain functions," he says.
Neurogenesis may even help protect against Alzheimer's, since the death of brain cells is linked to the disease (although many other factors also contribute to the disorder). And it may both treat and prevent depression. Depression slows neuron production, and research has shown that a series of depression episodes can shrink the hippocampus by 10%.
...not clear why this type of exercise may work better. One theory is that sustained aerobic activity releases a protein in the brain called brain-derived neurotrophic factor, which has been shown to regulate neurogenesis.
A study published Dec. 5, 2015, in The Journal of Neuroscience found that playing three-dimensional video games improved memory performance 12% more than playing two-dimensional games.
