Even Rats Are Taking Selfies Now (and Enjoying It) - The New York Times - 0 views
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Mr. Lignier built his own version of a Skinner box — a tall, transparent tower with an attached camera — and released two pet-store rats inside. Whenever the rats pressed the button inside the box, they got a small dose of sugar and the camera snapped their photo. The resulting images were immediately displayed on a screen, where the rats could see them. (“But honestly I don’t think they understood it,” Mr. Lignier said.)
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The rodents quickly became enthusiastic button pushers. “They are very clever,”
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after this training phase, the rewards became more unpredictable. Although the rats were still photographed every time they hit the button, the sweet treats came only once in a while, by design. These kinds of intermittent rewards can be especially powerful, scientists have found, keeping animals glued to their experimental slot machines as they await their next jackpot.
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