They're producing electrical signals in the brain they're not recording from the brain, but it's not that big of a difference.

它们只能向大脑发出信号,而不能记录反馈大脑的信号,但是这两者技术要求差别不大

耶鲁公开课 - 生物医学工程探索课程节选

It won't be long before we're using these same kind of devices to both record--to test what's going on-- and to act in the right way and response.

相信不久以后,这个装置就可以同时记录和反馈,大脑的信号,并做出相应的回应

耶鲁公开课 - 生物医学工程探索课程节选