Study Predicts Political Beliefs With 83 Percent Accuracy | Science | SmithsonianThe idea that the brains of Democrats and Republicans may be hard-wired to their beliefs is not new. Previous research has shown that during MRI scans, areas linked to broad social connectedness, which involves friends and the world at large, light up in Democrats’ brains. Republicans, on the other hand, show more neural activity in parts of the brain associated with tight social connectedness, which focuses on family and country. Other scans have shown that brain regions associated with risk and uncertainty, such as the fear-processing amygdala, differ in structure in liberals and conservatives. And different architecture means different behavior. Liberals tend to seek out novelty and uncertainty, while conservatives exhibit strong changes in attitude to threatening situations. The former are more willing to accept risk, while the latter tends to have more intense physical reactions to threatening stimuli.
Munger: pick your fights pt 2f you look at Berkshire Hathaway and all of its accumulated billions, the top ten insights account for most of it. And that's with a very brilliant man—Warren's a lot more able than I am and very disciplined—devoting his lifetime to it. I don't mean to say that he's only had ten insights. I'm just saying, that most of the money came from ten insights.
Uncertain reward more motivating than sure thing, study finds | The University of Chicago Booth School of BusinessThe researchers ran several experiments that established this motivation. For example, in one study they asked college students to drink a large amount of water in two minutes. Some were told they would receive $2 for completing the task, while others were told they would receive either $1 or $2. They found that more people finished the water to receive the uncertain amount of money. The team calls this phenomenon the motivating-uncertainty effect. Fishbach, Hsee and Shen explain this effect by positing that making the unknown known — i.e., figuring out what is in a wrapped package or finding out which reward one has earned — is a positive experience. Because people are excited to find out what they can actually get, working for an uncertain reward makes the whole situation more like a game and less like work. They then ran two more experiments that confirmed this explanation.
Meanwhile, in times of doubt, take inspiration in one last distinction of the teen brain—a final key to both its clumsiness and its remarkable adaptability. This is the prolonged plasticity of those late-developing frontal areas as they slowly mature. As noted earlier, these areas are the last to lay down the fatty myelin insulation—the brain's white matter—that speeds transmission. And at first glance this seems like bad news: If we need these areas for the complex task of entering the world, why aren't they running at full speed when the challenges are most daunting? The answer is that speed comes at the price of flexibility. While a myelin coating greatly accelerates an axon's bandwidth, it also inhibits the growth of new branches from the axon. According to Douglas Fields, an NIH neuroscientist who has spent years studying myelin, "This makes the period when a brain area lays down myelin a sort of crucial period of learning—the wiring is getting upgraded, but once that's done, it's harder to change."
Yet teens gravitate toward peers for another, more powerful reason: to invest in the future rather than the past. We enter a world made by our parents. But we will live most of our lives, and prosper (or not) in a world run and remade by our peers. Knowing, understanding, and building relationships with them bears critically on success. Socially savvy rats or monkeys, for instance, generally get the best nesting areas or territories, the most food and water, more allies, and more sex with better and fitter mates. And no species is more intricately and deeply social than humans are.
Researchers such as Steinberg and Casey believe this risk-friendly weighing of cost versus reward has been selected for because, over the course of human evolution, the willingness to take risks during this period of life has granted an adaptive edge. Succeeding often requires moving out of the home and into less secure situations. "The more you seek novelty and take risks," says Baird, "the better you do." This responsiveness to reward thus works like the desire for new sensation: It gets you out of the house and into new turf.
People want to have their cake and eat it, too, of course. They want to fund a risky project but suffer no consequences of that risk; they want to skirt the publisher model but don’t enjoy the position that puts them in as de facto “publishers” of a game. The fact is, Kickstarter doesn’t magically make every problem with game development go away. Just because it circumvents EA or Activision doesn’t also mean that every Kickstarter game will release without a hitch.