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1970年,伦敦大学的研究人员在大鼠的海马区首先发现了位置细胞。他们把电极记录器安置在大鼠的大脑海马区,然后让大鼠在一个它陌生的房间自由走动。这时,大鼠脑中的位置细胞会根据它所在的位置而选择性地兴奋。只有当大鼠活动到房间的特定位置,特定的位置细胞才会兴奋。这就好像给予了每个坐标一个记忆,这样大脑才能记住我们曾经到过哪些地方(2014年生理学和医学诺贝尔奖)。
孙学军http://blog.sciencenet.cn/blog-41174-833590.html
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