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 the number of taste buds over time. I also mention the phenomenon of supertasters, who are more sensitive to taste … Read More

Parts of the Brain: Forebrain – Cerebral Cortex

In this video I continue explaining parts of the brain and focus on the cerebral cortex. The cortex is the thin, wrinkled, outer covering of the brain and the wrinkles and folds create gyri, sulci, and fissures. The cortex is divided into two hemispheres, left and right, each with 4 lobes: frontal, temporal, parietal, and occipital. Don’t forget to subscribe … Read More