将两根电极连接到一只活蟑螂的腿上(标配)；每当蟑螂抽动时，它的神经元便会发出一束电尖峰脉冲并转化为滴答的声音。
Connect two electrodes to the leg of a live cockroach (included); every time the bug twitches, its neurons emit an electrical spike that translates into a loud click.
然而，研究者们估计说最终这一个额外尖峰信号会影响上百万个大脑神经元。
However, the researchers estimated that eventually that one extra spike affected millions of neurons in the brain.
单独的额外尖峰信号引起周围大脑神经元大约30多个新的尖峰信号，其中的大多数信号又引起另外的三十多个尖峰信号，如此反复下去。
That single extra spike caused about thirty new extra spikes in nearby neurons in the brain, most of which caused another thirty extra spikes, and so on.
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