So freaking simple. So amazing. This is how it all works.
Like many great scientific advances, Pavlovian conditioning (aka classical conditioning) was discovered accidentally.
During the 1890s Russian physiologist Ivan Pavlov was looking at salivation in dogs in response to being fed, when he noticed that his dogs would begin to salivate whenever he entered the room, even when he was not bringing them food. At first this was something of a nuisance (not to mention messy!).
Read more at Pavlov’s Dogs | Simply Psychology