In his famous experiment, Ivan Pavlov rang a bell each time he fed his dogs,  which resulted in the animals drooling in anticipation every time they heard the bell, even before food appeared.  This response process is known as Pavlovian conditioning which refers to a learning procedure where a biological stimulus, in this case, food, is paired with a previously neutral stimulus, such as a … Continue reading Study identifies the brain cells regulating the Pavlovian response.