If you put the electrode in just the right place, then when the electrode gets turned on, it stimulates the pleasure center in the rat's brain and it gets a little burst of pleasure, a pretty intense burst of pleasure.

只要把电极放对地方，然后启动电极，刺激老鼠大脑的快乐中枢,老鼠感受到一股快感，一股很强烈的快感。

耶鲁公开课 - 死亡课程节选

In 1986 Kevin Kinsella, a venture capitalist, spotted a neuroscience paper about the olfactory cortex of a rat's brain.

FORBES: Touchy Touchy

The encoder rat's brain signals then became clearer, giving the decoder a greater chance of interpreting the message correctly, Prof Nicolelis noted.

BBC: One rat brain 'talks' to another using electronic link

In their experiments, an electrical current was sent to the limbic system of a rat's brain whenever it moved to a certain area of its cage.

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