Because if it was a neurotransmitter activated ion channel, what would happen when the neurotransmitter bound here?

因为假如这是一个,神经递质激活的离子通道,当神经递质结合于此的时候,会发生些什么呢

耶鲁公开课 - 生物医学工程探索课程节选

So, the neural structures change radically as babies kind of get rid of excess neurons through development.

由于婴儿在发展过程中,会清除掉许多多余神经元,因此神经结构会发生急速的变化

耶鲁公开课 - 心理学导论课程节选

This process, which is shown schematically here, as a vesicle fusing with the cell membrane and then dropping its neurotransmitter only happens when an action potential reaches the end of the axon.

这一过程 扼要地展示在这里,小泡同细胞膜融合,释放其神经递质,这只发生在动作电位抵达轴突末梢时

耶鲁公开课 - 生物医学工程探索课程节选