Nomadic
发表于 2025-3-30 11:02:44
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dowagers-hump
发表于 2025-3-30 14:56:51
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灾祸
发表于 2025-3-30 19:23:10
Psychometric testing in rats during normal ageing Procedures and results, following conclusions: Learning ability declines with advancing age. The effect of ageing on memory could not be clearly shown. The effect of the stressors used (crowding and noise) seems to depend on the season of the year (circannual biorhythm).