dopamine and yours

The number one determinant of dopamine release is novelty.

Dopamine plays a lot of roles in the brain. If you kill off the cells that produce dopamine, the animal is not motivated to go out and do things. It’ll still enjoy something — like the sucrose solution you squeeze directly into its mouth — because the pleasure systems are fine. But they won’t pursue it. If you perform an action and you get more dop... See more

“Often, depressed people say they don’t want to go out with their friends,” says Salamone. But it’s not that they don’t experience pleasure, he says – if their friends were around, many depressed people could have fun.

“Low levels of dopamine make people and other animals less likely to work for things, so it has more to do with motivation and cost/... See more

In a series of experiments begun in the 1980s, Schultz and his colleagues showed that when monkeys first get something pleasant—in this case, fruit juice—their dopamine neurons fire most intensely when they drink the liquid. But once they learn that a cue like a light or a sound predicts the delivery of delicious stuff, the neurons fire when the cu... See more

In a 2017 interview, Ev Williams (the founder of Twitter), said something that has stuck with me since: “the trouble with algorithms, is that it rewards extremes. Say you’re driving down the road and see a car crash. Of course you look. Everyone looks. The internet interprets behavior like this to mean everyone is asking for car crashes, so it trie... See more

“Better to get your dopamine from improving your ideas than having them validated. “ – Nat Friedman

Just like after a successful social interaction, dopamine is released after receiving positive feedback in social networks. Put briefly, these social media platforms leverage the same neural circuitry “used by slot machines and cocaine to keep us using their products,” states Harvard Medical School research technician Trevor Haynes in his piece “Do... See more

Rather than giving us pleasure itself, as is commonly thought, dopamine motivates us to do things we think will bring pleasure. As the brain’s major reward and pleasure neurotransmitter, it’s what drives us to seek pizza when we’re hungry and sex when we’re aroused. Scientists use dopamine to measure “the addictive potential of any experience,” wri... See more