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Tuesday, December 8, 2015

Brain Research: Physical activity may leave the brain more open to change ♦ Negative beliefs about aging predict Alzheimer's disease ♦ Discovery puts designer dopamine neurons within reach

Potential biochemical mechanism underlying long-term memories identified During the holidays, we often remember the past and create new memories. But, why do some memories fade away while others last forever? Scientists have identified a possible biochemical mechanism by which the specialized brain cells known as neurons create and maintain a long-term memory from a fleeting experience.
Negative beliefs about aging predict Alzheimer's disease Individuals who hold negative beliefs about aging are more likely to have brain changes associated with Alzheimer's disease.
Physical activity may leave the brain more open to change Learning, memory, and brain repair depend on the ability of our neurons to change with experience. Now, researchers have evidence that exercise may enhance this essential plasticity of the adult brain.

Discovery puts designer dopamine neurons within reach Parkinson's disease researchers have developed a way to ramp up the conversion of skin cells into dopamine neurons. They have identified -- and found a way to overcome -- a key obstacle to such cellular conversions

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