# Neurons That Fire Together Wire Together

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I’ve come back to the 3Brown1Blue YouTube
series
on Neural Networks a few times now, but only recently took the time to
sit down and try to digest them thoroughly. This time around, I find
myself wishing that they had been the first stop when I first started
digging into deep learning earlier this year. At times, deep learning
can feel like just a lot of funny mathematical notation, which in a
sense it is, but these videos do a great job of both keeping with that
notation, but also granting an intuitive perspective as to *what* is
going on and *why*, one of the hallmarks of a great teacher.

Just as a small example, when explaining back propagation, he takes the time to mention the potential link to Hebbian theory. In a phrase, “neurons that fire together wire together.” Perhaps it’s a stretch to say that artificial neural nets really mimic the inner workings of a human brain, but it sure does solidify the concept.

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