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Tethered and x-rayed cats shed light on the physiology of stress

For Walter Bradford Cannon, it all started with disgruntled cats. In the late 1890s, a young American student, a future professor of physiology at Harvard Medical School, conducted experiments to better understand how digestion works. Its aim is to observe this process live, thanks to X-rays, newly discovered by the German physicist Wilhelm Röntgen. Cannon has created an ingenious device to keep cats still without putting them to sleep. Resourceful, but hardly enjoyable for an animal “tied with the back down, the forelegs with slip-knots on either side, and the hindlegs stretched and tied to the support so as to allow the body to lean slightly to the right.”described by the young researcher in 1898American Journal of Physiology .

Not all cats appreciate adventure. the males, especially the youngest, vocalize their disapproval. And in his experiences, Cannon notes…

Source: Le Figaro

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