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

feel like they're performing better, but they're actually performing worse on certain cognitive tasks.

So there's been studies done with like the NBAC tasks.

So like very complex working memory tasks, particularly as you get like to like N3, you're like trying to remember, did I see this letter three letters ago, right?

In those kinds of complex cognitive tasks, people who take caffeine feel like they're performing better, but they're actually performing worse.

They're making more errors or they're kind of, you know, they're reacting too quickly.

They're not really thinking about it.

And there is the similar data from other stimulants too.

So there was a paper that came out in Science a couple of years ago giving people a methylphenidate, some of the other like ADHD medications in people who don't have ADHD.

These stimulant medications again show this dissociation between, so they feel great,

And that's, again, been formalized in studies where you can do these tests where then other people objectively see how creative were you.

People taking cannabis felt like they were more creative, but actually they weren't.

And so...

The reason why I say this is that when we're talking about supplements, all these other things, we're like, well, I feel much better.

Therefore, it must be doing something good.

We know that with many of these supplements, you can create this dissociation between how you feel and how you perform.

Whereas some of these endogenous things don't have that effect.

So that's why that kind of like endogenous increase in arousal using things like exercise is a much more reliable way

way to improve performance because you don't kind of get this dissociation between the two.

So with exercise in particular, we know very well that some period of exercise can be resistance training, aerobic exercise, very brief sprints, increased arousal, improved cognitive function across multiple domains, improved learning.

and retrieval.

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