1. Gustation Anthony J Greene

2. Smell & Taste • In sea-borne organisms, smell and taste are the same - some reptiles smell with their tongues • Close relationship between smell and taste Anthony J Greene

3. Taste • Diet regulation • Last chance to detect a poison prior to ingestion Anthony J Greene

4. Anatomy of Taste Papillae • Circumvilliate • Folliate • Filliform • Fungiform Circumvilliate Folliate Filliform Fungiform Anthony J Greene

5. Anatomy of Taste • Taste Receptors • Taste Buds occur on the soft palate and on some Papillae - Foliate, Circumvallete, Fungiform, Filliform (no taste buds) • About 10,000 taste buds Anthony J Greene

6. Taste Anatomy Anthony J Greene

7. Taste Anatomy Anthony J Greene

8. Central Gustatory Pathway Taste buds -> Solitary Tract (part of the Medulla) -> Thalamus -> Frontal Lobe Anthony J Greene

9. Central Gustatory Pathway Primary Gustatory Area (insular cortex) • Taste buds -> Solitary Tract (part of the Medulla) -> Thalamus -> Frontal Lobe Anthony J Greene

10. Properties of Taste • The dimensions of taste Anthony J Greene

11. Properties of Taste • Taste preferences for familiar food • Single trial learning - taste aversion • Self-Balancing diet Anthony J Greene