The autistic children had on average 67 percent more neurons — a type of brain cell and a fundamental building block of the nervous system — than boys without autism of a similar age.
与同龄儿童相比，自闭症儿童的神经元数目平均要高出67%，神经元属于脑细胞的一种，是构成神经系统的基本单位。
It is because cell phones affect the areas of the brain responsible for activating and co-coordinating the stress system, making it harder for people to fall asleep, researchers said.
研究人员认为，手机辐射可能会刺激大脑的应激系统，使人更警觉，精神更集中，放松及入睡的能力因此减弱。
Stem cells grew, multiplied and differentiated into brain cells on a new three-dimensional scaffold of tiny protein fragments designed to be more like a living body than any other cell culture system.
干细胞在新的小蛋白碎片三维框架生长、繁殖和分化成为脑细胞，比在其他细胞培养体系中更好。
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