Dr. Tommy Wood

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1,133 appearances 1 recordings 1 series first heard Jul 2026 last heard 20 Jul

Dr. Tommy Wood’s voice in public audio — every appearance, attributed to the second.

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Huberman Lab · Accelerate Learning & Increase Cognitive Capacity | Dr. Tommy Wood · 20 Jul 2026 podcast

I essentially just think of it as the brain responding to inputs in order for us to then be able to better navigate and survive our environment.

And that's why I think it's such a fundamental part of what the brain does.

And essentially, every time you learn something, interact with something, remember something,

the principles of neuroplasticity are engaged, right?

You are making new synapses or strengthening synapses, weakening other synapses.

A lot of people don't realize that particularly brain development, but then also the refining of functions in the brain through neuroplasticity includes the pruning or removal of synapses.

Often we think about it's all about growth and new connections, but actually it also involves the refining or removal of other connections that aren't needed.

That's a massive part of brain development in the first place.

And this is a process that's essentially continuously ongoing.

And you can think of it as its primary role is so that you can navigate, survive the world around you.

And that's through learning skills, through remembering people and things and facts.

And one of the things that's most interesting to me about neuroplasticity and the way we think about our brains over time

is that I think people have conflated neurogenesis and neuroplasticity.

So when we're thinking about brain development, we're thinking about then also brain function with age and either cognitive decline or maintaining cognitive function.

We thought that the adult brain was fixed, right?

Or then it was fixed and then it lost function.

And this goes all the way back to Cahal, who said the adult brain is immutable, right?

He told us that you got into adulthood, it finished developing, and then it was kind of done.

He then...

Other times also said that changes in the connections between neurons could explain learning.

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