In the following You Tube Video, the moderator speaks about many theories of consumer behavior such as learning, perception and group behavior. The moderator also poses many questions. Are we like Pavlov's Dog. Why do we buy? Do we buy because of need or because of want? How do we buy? Why are we loyal to one brand versus another? Please view the video and take notes over the theories and ideas she brings up: http://www.youtube.com/watch?v=P1rICrAwDAc&NR=1