in the context of this thread, 'brain' is being referenced literally
an adolescents brain is more developed than a toddlers but not nearly as much as a senior citizens
and a senior citizens brain is no longer 'developing', therefore much less open to learn or retain new things
Human brains are 'plastic', which means neurons perpetually prune and reroute throughout the lifespan.
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You may have heard that the brain is plastic. As you know. the brain is not made of plastic…Neuroplasticity, or brain plasticity, refers to the brain's ability to CHANGE throughout life. The human brain has the amazing ability to reorganize itself by forming new connections between brain cells (neurons).Feb 26, 2008