【新地平线英语】（第三册）运动有奇效吗？(2/5)

英语自学网

概述：
        在一项实验中，实验鼠被分成三组：第一组在自动轮中跑动，第二组通过一种复杂的越障训练来提高技能。。。
        Hints:
        Greenough
In one experiment, laboratory rats were separated into three groups. One group was exercised by running inside an automatic wheel, a second group improved their skills in a complicated obstacle course, and a third group was inactive.
"The animals that learned to go through the obstacle course exhibited a greater number of brain connections than the animals in the exercised or inactive groups," Greenough said. "In contrast, the animals that exercised inside the automatic wheel possessed a greater density of blood vessels in the brain than did either of the other two groups of animals."
Learning a new dance step may boost the brain in the same way that learning a language can, he says.在一项实验中，实验鼠被分成三组：第一组在自动轮中跑动，第二组通过一种复杂的越障训练来提高技能，第三组则不做任何运动。
“与跑动的和不运动的老鼠相比，经过越障训练的老鼠的脑神经联结数更多。”格里诺说，“相比之下，在自动轮中跑动的老鼠，较之其他两组的老鼠，其大脑的血管密度更大。”
他说，学习一种新的舞步和学习一种语言一样，都能促进大脑发展。