People for the Ethical Treatment of Animals accused the University of Wisconsin-Madison Wednesday of violating multiple provisions in the federal Animal Welfare Act during a 2008 research study.The study, which focused on sound localization, conducted various surgeries on cats, including the implementation of cochlear implants, which involves implanting an electronic device in the ear to restore hearing. Researchers experimented on cats because the feline auditory system is similar to that of humans.
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