Why Hamsters Run on Wheels, According to 30 Years of Research
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The ethology of rodents drags on an old debate between natural behaviors and tics imposed by breeding. Yet, some wild experiences beat up the maps by showing that free animals spontaneously reproduce lines attributed so far to confinement. The wheel race, read as a symptom of boredom in caged rodents, now appears as a chosen behavior, even in free mice. How wild mice did this race alone In 2014, neurophysiologist Johanna Meijer had exercise whee…
Why hamsters run on wheels, according to 30 years of research
BY THE OPTIMIST DAILY EDITORIAL TEAM In 2014, researchers placed exercise wheels in two natural outdoor settings and left them there. Wild mice found the wheels and ran on them, sometimes for up to 18 minutes at a stretch, with no training and no food reward. The running continued long after all the bait was removed. For decades, scientists had assumed wheel running was a neurotic artifact of captivity. Rodents are built to cover ground Research…
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