Word: fewer
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Dates: during 2000-2009
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...This is one of those situations where the data came out essentially perfectly," he says. "The results were exactly as we predicted they would be, based on the animal data." That is, like the rats, humans who were more spontaneous and eager to take risks had fewer dopamine-regulating receptors than those who were more cautious...
...cells in our brain. It's also responsible for the high we feel when we do something daring, like skiing down a double black diamond slope or skydiving out of a plane. In the risk taker's brain, researchers report in the Journal of Neuroscience, there appear to be fewer dopamine-inhibiting receptors - meaning that daredevils' brains are more saturated with the chemical, predisposing them to keep taking risks and chasing the next high: driving too fast, drinking too much, overspending or even taking drugs...
Earlier studies in rats had shown that animals that tend to explore and take more risks in new environments also tend to have fewer of these inhibitory receptors, and Zald wanted to find out if the same was true in people...
Cohen suggests that a better understanding of novelty-seeking behavior may even help researchers find more effective treatments for addiction. If future studies validate Zald's findings and show that addicts also have fewer dopamine-inhibiting receptors than average, then medicines designed to replace the function of those receptors may help bring their dopamine levels down to normal and weaken their addiction...
...take a few," but then confides that Fonacon's rendezvous point on the Vendéen island le Noirmoutier - chosen because it's a good place to attempt to halt the incoming tide, and thereby stop the earth's rotation, and with it time - will probably draw far fewer revelers. (See pictures of France celebrating Bastille...