For hundreds of years, the localizationism theory of the brain reigned: the idea that the adult brain is composed of distinct regions, each responsible for a separate function. Most people still hew to this, assuming that vision goes here, memories there (with separate sections for short and long term memories), smell here, verbal fluency over here and quantitative processing over there. We assume the number of neurons is fixed and their wiring soldered. But the emerging science of neuroplasticity shows how wrong this is: rather than fixed and immutable, the neural connections between different “regions” of the brain can reorganize themselves. (This Mark's Daily Apple article was written by Mark Sisson, and is narrated by Tina Leaman)
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