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“By the time we’re twenty-five years of age, the brain transformations of childhood and adolescence are finally over. The tectonic shifts in our identity and personality have ended, and our brain appears to now be fully developed. You might think that who we are as adults is now fixed in place, immoveable. But it’s not: in adulthood our brains continue to change. Something that can be shaped – and can hold that shape – is what we describe as plastic. And so it is with the brain, even in adulthood: experience changes it, and it retains the change.”
― David Eagleman, The Brain: The Story of You