研究过奖励机制的密歇根大学(University of Michigan)分子和行为神经研究中心(Molecular and Behavioral Neuroscience Institute)主任胡达·阿基勒(Huda Akil)说:“这并不意外。你需要做的就是看一群小孩在操场或公园里玩耍。他们会一直跑,一直跑,一直跑。”
Dr. Akil said that in humans, running activates reward pathways in the brain, although she pointed out that there are innate differences in temperament in all sorts of animals, including humans. Rats that do not like to run can be bred. And plenty of people do all they can to avoid jogging, cycling and elliptical machines.
阿基勒说,在人类身上,跑步运动可以激活大脑里的奖励回路,虽然她指出所有动物的秉性都存在固有的不同,人类也是如此。可以培育出不爱跑的大鼠。而极尽可能地避免慢跑、骑车和玩椭圆机的人类也多得是。
Presumably, the same is true of wild mice. While some were setting the wheel on fire with their exertions, others, out of camera range, may have been sprawled out on the mouse equivalent of a lounge chair, shaking their whiskers in dismay and disbelief.
大概对于野鼠而言也是如此。虽然有些老鼠正在跑轮上奋力奔跑,但是那些不在摄像机覆盖范围内的老鼠,可能正慵懒地躺在老鼠版的休闲椅上,在惊恐或犹疑中抖着胡须。
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