通过标准的行为测试，他们认为干细胞治疗降低了患者的致残率。

Using standard behavioural tests, they concluded that the treated patients had lower disability scores.

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研究者将动物置于不变的黑暗环境中并记录它们的行为方式，通过这种标准的生活节律测试发现高脂饮也会影响动物的性能。

The high-fat diet also affected the animals' performance on a standard test of circadian rhythm, in which researchers keep animals in constant darkness and record their patterns of behavior.

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