you've probably heard of "Pavlov's dogs" or "Pavlov's bell." The phrases often describe situations where someone responds to a stimulus like they've been trained to do so. That's exactly where ...

Conducted in 1919-1920, a nine-month-old baby was subject to a conditioning experiment to make him fear certain animals. Carried out by psychologist John B. Watson and his grad student Rosalie Rayner, ...

While researching digestion in dogs, Ivan Pavlov noticed that the dogs began to drool as soon as they saw the white coats of the people who fed them; before they could even see or smell their food.

Pavlov also offered physicians a new therapeutic product: natural gastric juice produced by his “factory dogs.” By World War I, proceeds from selling bottled gastric juice had increased the ...