Where does fear come from? American psychologist John Watson wanted to find out — so, in the name of science, he tried to ...

He took the notion of conditioned reflexes developed by Ivan Pavlov and applied it to the study of behavior. Watson first presented his ideas at psychological meetings between 1908 and 1912 ...

He looked upon the young science of psychiatry a little dubiously. But he did think that conditioned reflexes could explain the behavior of psychotic people. For example, he suggested, those who ...

Unlike the salivary response to the presentation of food, which is an unconditioned reflex, salivating to the expectation of food is a conditioned reflex. Pavlov then focused on investigating ...