Whenever a sugar cue (a sound) occurred, rats pressed in a frenzy on a lever that had previously earned them a sugar reward. In fact, the researchers found that sensitized rats pressed the lever 200 percent more than rats in the control group, an increase equivalent to the behaviour produced in other rats by injecting amphetamine directly into their brains
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A boon for bandits, a nightmare for retailers For the illegal tobacco industry, this new regulation represents the best hope of renewed profits and opportunities after years of declining sales
Regarding gamification, Kwit uses achievements, experience points, and leaderboards to keep users engaged with the program
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