They say " … a serotonergic feedback signal is also consistent with an expected relief-of-anxiety effect."

他们认为，“血清素反馈信号与它缓解焦虑的效果是一致的。”

However, estrogen acts a negative feedback signal – that is, it tells the pituitary to secrete less FSH and LH.

但是雌激素却会起负反馈的作用，它会使垂体FSH和LH的分泌减少。

' If you eat a bar of chocolates, assuming you like chocolates, you immediately get a positive feedback signal like 'Hey, maybe I should seek out chocolate more in the future.

’如果你吃了一块巧克力， 假设你喜欢巧克力，你会立即得到一个积极的反馈信号， 比如‘嘿，也许我以后应该多找巧克力。

It's an area of machine learning that helps an agent analyze an environment to decide what matters and which actions count through feedback signals in the form of extrinsic and intrinsic rewards.

这是机器学习的一个领域，可帮助代理人分析环境，以通过外在和内在奖励形式的反馈信号来决定什么是重要的，哪些行动是重要的。