2018何凯文每日一句上线，考生们可关注文都考研网，了解每日一句具体内容。每一场考研路都有成败，希望考生们能不忘初心，坚持当初决定考研的信仰。何凯文每日一句会全程陪伴考生，走完2018考研路。对于考研英语的复习，必然是长期积累夯实基础的过程，针对考研英语复习，小编也会及时整理推送相关内容。以下是第116句：

　　【温馨推荐】何凯文每日一句：2018考研英语汇总(KK精讲)

　　今天的句子：

　　The puzzle of how the brain identifies a familiar face dates back to the 1960s, when the US neuroscientist, Jerry Lettvin, suggested that people have hyper-specific neurons that respond to specific objects, a notion that became known as "grandmother cells", based on the idea that you have a specific neuron that would fire on seeing your grandmother.

　　句子的解析：

　　词汇突破：

　　1.Puzzle 难题

　　2.Identify 识别

　　3.Date back to 回溯

　　4.Hyper-specific 高度特化

　　5.Neuron 神经元

　　6.Notion 概念；观点

　　确定主干：

　　The puzzle of how the brain identifies a familiar face dates back to the 1960s

　　切分成分+独立成句：

　　1.when the US neuroscientist, Jerry Lettvin, suggested that people have hyper-specific neurons that respond to specific objects,

　　2. a notion that became known as "grandmother cells",

　　3. based on the idea that you have a specific neuron that would fire on seeing your grandmother.

　　=This notion is based on the idea  that you have a specific neuron that would fire on seeing your grandmother.

　　参考译文：大脑如何识别熟悉的长相这个难题可以回溯到20世纪60年代。当时美国的神经科学家杰瑞•莱特文提出，人类应对具体对象拥有高度特化的神经元。这个概念后来被称为“祖母细胞”，这基于一个观点：当见到祖母时，你的一个特定神经元会被激活。