The Rescorla-Wagner Model

In this video I explain the basic idea behind the Rescorla-Wagner model or contingency model of classical conditioning proposed by Robert Rescorla and Allan Wagner. This model suggests that the reason Pavlov’s dogs associated the bell (rather than some other … Read More

Gustation: Taste Perception

In this video I explain the process of transduction for taste and how gustatory cells detect tastant molecules in food. I discuss structures of the tongue, including papillae, taste buds, and gustatory cells and consider evolutionary explanations for changes in … Read More