What was proved by the scientist Ivan Pavlov, after conducting a series of experiments on dogs?

Not to sound cynical, but if anyone thinks humans are more advanced than dogs in this instance, just observe how urgently someone responds to their chiming phone. Having said, I will now "Tap to Continue" and resume playing this game...

Well trained dogs!

I don't care for doctors experiments using animals .If he is trying for these results why not use mental patients and maybe it will benefit them.