来自《耶鲁大学开放课程：心理学导论 第4集 第4集》
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Pavlov, when he started this research,在研究的最初 巴甫洛夫 -
had no interest at all in learning.对学习行为毫无兴趣 -
He was interested in saliva.他研究的是唾液的分泌 -
And to get saliva he had to have dogs.为了弄到唾液 他找来了几条狗 -
And he had to attach something to dogs他给狗套上了一些装置 -
so that their saliva would pour out so he could study saliva.来收集狗的唾液用以研究 -
No idea why he wanted to study saliva,他研究唾液分泌的初衷我们不得而知 -
but he then discovered something.但他却因为这个研究而有所发现 -
What he would do is他的做法是 -
he'd put food powder in the dog's mouth to generate saliva.给狗喂食 让狗分泌唾液 -
But Pavlov observed that他注意到 -
when somebody entered the room当给它喂食的人