Picking Our Brains: Can Ee Regenerate The Brain?

The nervous system has 10,000 different types of neuron (Image: Jean Livet)

From New Scientist:

YOU were born with all the brain cells you'll ever have, so the saying goes.

So much for sayings. In the 1990s, decades of dogma were overturned by the discovery that mammals, including people, make new neurons throughout their lives. In humans, such "neurogenesis" has been seen in two places: neurons formed in the olfactory bulb seem to be involved in learning new smells, while those born in the hippocampus are involved in learning and memory.

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