Nvm
Your view on synaptic pruning is a little off. It doesn't "cut off"
parts of the brain you don't use (you actually use all of your brain);
instead pruning reorganizes connections to make synaptic transmission
more efficient. When neurons develop, they form all sorts of
connections with other surrounding neurons. Synaptic pruning cuts off
these unused superfluous connections so the neural signal can take the
fastest route to wherever it needs to go. Neuroplasticity is a pretty
broad concept that ranges from the molecular level all the way up to the
systems level but you got the basics right: your brain has the ability
to adapt (structurally and functionally) to the environment. It is most
evident during critical periods of development but still continues into
adulthood.
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