A group of similar mice were kept on the ground and monitored for comparison during each procedure. The NASA Rodent Habitat was designed to house mice in groups, which reduces their stress levels and helps scientists monitor their social activity. The habitat also provides both a for mice to move around in and a smaller area they can retreat to and engage in the huddling behavior typical of mice. “The camera lenses are positioned in the habitat in a way that reduces exposure of the lens to floating debris and liquids,” Ronca said. In the future, the scientists plan to identify the molecular and cellular changes occurring in mice to help pinpoint the causes of the circling, Ronca said.
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