Andrew Huberman· PhD
The mere act of inhaling has been shown to increase arousal and alertness in the brain, as well as our depth of focus and our ability to learn.
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The mere act of inhaling has been shown to increase arousal and alertness in the brain, as well as our depth of focus and our ability to learn.
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it turns out that breathing more deeply through the nose, wakes up your brain and it creates a heightened sensitivity of the neurons that relate to smell.
One reason is that the brain systems of detecting things are waking up as a mere consequence of inhaling.
Inhaling is a cue for the rest of the brain to essentially to pay attention to what's happening, not just to the odors.
Because it turns out that how you smell, meaning the act of smelling, not how good or bad you smell, but the act of smelling, sniffing, and inhalation powerfully impacts how your brain functions and what you can learn and what you can't learn.
What that means is that the act of inhaling itself wakes up the brain. It's not about what you're perceiving or what you're smelling. And indeed, sniffing as an action, inhaling as an action has a powerful effect on your ability to be alert, your ability to attend, to focus, and your ability to remember information.