Andrew Huberman on dopamine & motivation
Huberman frames motivation as dopamine measured relative to its own recent baseline, where every peak is followed by a dip below that baseline, and he defines addiction as a progressive narrowing of what can still bring pleasure. Drive, in his account, comes from dopamine pushing back the noradrenaline build-up that makes us quit; he argues it is sustained by protecting baseline, drawing reward from effort itself rather than from add-on rewards, and changing behavior first so that thoughts and mood follow. He adds that dopamine also bends time perception, that feeds exploit random reward until scrolling becomes compulsive, and that doing things from genuine desire lasts far longer than anger-fueled drive.
16 points · 5 appearances · 2020–2026
How the view evolved
Grit is self-rewarding small milestones → Rewards can erode intrinsic motivation
In 2020 he described grit as rewarding yourself for reaching each small milestone; by 2025 he warned that rewards, even self-given ones, lower baseline dopamine and erode enjoyment of the activity itself, and moved the source of reward to the effort.
Up next
2022–2026
“You want this peak in cortisol as high as possible in the first 60 minutes of your day. Everyone thinks you want low cortisol, but here's the deal. High cortisol in the early part of your day is what provides for elevated mood, focus, attention, your ability to learn. It's also what establishes low cortisol in the afternoon and at night which is a requirement for falling and staying asleep.”
2020–2026
“What is cortisol? We I should have mentioned this earlier. What is cortisol? Is it a stress hormone? No. It's a hormone that's released during stress. But cortisol's job is not to deal with stress. Cortisol's job is to mobilize energy in the body. When cortisol goes up, glucose is mobilized and other fuels, too.”
2020–2026 · changed view
“When we decide to focus what the brain really does is it switches on a set of circuits then all the frontal cortex and nucleus basalis and some others and it's trying to understand duration, how long something's gonna last, path, what's gonna happen, and outcome, what ultimately is gonna happen. So duration, path and outcome. You know, the events of early 2020 are a good example of this. One of the reasons why it's so exhausting to be alive in 2020, is because we are now having to pay attention to duration, path and outcome. How long is this thing gonna last? When are, you know, when are they gonna open up all businesses? Did I touch that door handle? Does it matter? You know, who are the experts? Are there any experts? You know, there are a lot of questions whereas normally, we can just move through life without having to do all that analysis.”
2021–2026 · changed view
“Adenosine is a molecule in our nervous system and body that builds up the longer we are awake, so if you've just slept for 8, or 9, or 10 really deep, restful hours, adenosine is gonna be very low in your brain and body. If, however, you've been awake for 10, 15, or more hours, adenosine levels are going to be much higher.”