11 de janeiro de 2012

Does our brain grow?


For its complexity scientist used to think that once the brain was matured it stopped growing. Nothing could be more wrong. In fact,brain has an immense hability to regenerate, to grow even further and to vigorously adapt to an increadible variety of new circunstances.
After all brain cells do not decrease. Instead, there's a birth place in the brain where new cells birth to life and, in some way, replace the old ones.

For example, scientists now know that there’s a mechanism in the hippocampus a brain part involved with memory, among other things that gives birth to new brain cells. Scientists don’t know exactly why the brain makes new cells or what the cells do. They may have something to do with forming memories, or be used to replace dead or damaged cells.  more here

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