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fix ch3
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qiwang067 committed Oct 9, 2021
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6 changes: 6 additions & 0 deletions docs/.ipynb_checkpoints/Untitled-checkpoint.ipynb
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2 changes: 1 addition & 1 deletion docs/chapter3/chapter3.md
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Expand Up @@ -215,7 +215,7 @@ MC 是通过 empirical mean return (实际得到的收益)来更新它,对

![](img/3.11.png)

巴普洛夫效应揭示的是中性刺激(铃声)跟无条件刺激(食物)紧紧挨着反复出现的时候,条件刺激也可以引起无条件刺激引起的唾液分泌,然后形成这个条件刺激
巴普洛夫效应揭示的是中性刺激(铃声)跟无条件刺激(食物)紧紧挨着反复出现的时候,中性刺激也可以引起无条件刺激引起的唾液分泌,然后形成条件刺激

**这种中性刺激跟无条件刺激在时间上面的结合,我们就称之为强化。** 强化的次数越多,条件反射就会越巩固。小狗本来不觉得铃声有价值的,经过强化之后,小狗就会慢慢地意识到铃声也是有价值的,它可能带来食物。更重要是一种条件反射巩固之后,我们再用另外一种新的刺激和条件反射去结合,还可以形成第二级条件反射,同样地还可以形成第三级条件反射。

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