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An article in PSYBLOG reviews research that demonstrates that adults can grow new brain cells (neurogenesis).  The research reviewed focused on cell growth in the hippocampus, a structure in the brain that plays a central role in the consolidation of memory.  Rewarding experiences have been shown to produce neuron growth while stressful experiences reduce new cell growth.  One function of neurogenesis may be to help the brain adapt to environmental changes.  To read this article in its entirety, click here.