不同光照时长对NIH小鼠体重和学习记忆能力的影响

张楠, 李怀银, 连晓娣, 魏娟鹏, 高明

Effects of Different Durations of Light Exposure on Body Weight and Learning and Memory Abilities of NIH Mice

ZHANG Nan, LI Huaiyin, LIAN Xiaodi, WEI Juanpeng, GAO Ming

表2 5周光照实验后第1周光照时长对NIH小鼠新位置识别实验结果的影响

Table 2 Effects of light exposure duration in the first week after a 5-week light experiment on the results of new location observation test in NIH mice （

\overset{ˉ}{x}

±s）

组别（每天光照时长） Groups (daily light duration)	辨别指数 Discrimination index	新位置观察时间/s Exploration time/s
0 h	0.17±0.09	59.14±15.01
6 h	0.34±0.23	67.15±11.40
12 h	0.38±0.24	69.10±11.77
18 h	-0.30±0.34^**	48.53±16.88^**
24 h	0.06±0.27^*	52.75±13.22^*