Andrew Huberman· PhD
The most expensive tasks that brains do are (1) moving your body and (2) learning something new.
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The evidence is convergent. Multiple independent sources reach the same conclusion, the underlying mechanism is well-characterized, and even the field's most cautious voices treat it as worth doing.
The most expensive tasks that brains do are (1) moving your body and (2) learning something new.
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the brain is not a passive recipient of this meaning there's a lot of signaling we're probably just beginning to understand in terms of what the brain needs and the idea that as you kind of create these sort of metabolic demands on these circuits by by virtue of how you're using your brain right by virtue of the taxing nature of skill and the taxing nature of a cognitive load in the context of movement that those neurons and those synaptic activity and that high metabolic demand is signaling the need for more fuel