“This ability to repair itself is especially important when the brain is damaged, which is what happens during a stroke or brain injury. “Many mammals generate new neurons in their brains throughout their lifespans, which play a critical role in the brain’s plasticity, or ability to change and adapt over time,” says Hongjun Song, a Penn professor of neuroscience. The discovery paves the way for the deeper study of adult neurogenesis and its roles in memory, mood, behavior, and brain disorders.
/g-neuron-56a792cd5f9b58b7d0ebd043.jpg "human brain neurons")
A team led by researchers at the Perelman School of Medicine has found that in the hippocampus, a key memory region of the brain, immature, plastic neurons are present in significant numbers throughout the human lifespan, findings they shared in the journal Nature.
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