placed by umbrellahandle 1 year ago
Reference link: https://en.wikipedia.org/wiki/Classical_conditioning#:~:text=The%20Russian%20physiologist%20Ivan%20Pavlov%20studied%20classical%20conditioning%20with%20detailed%20experiments%20with%20dogs%2C%20and%20published%20the%20experimental%20results%20in%201897