Week 5 Chemical Senses Flashcards
What are the primary chemical senses?
Taste and swell
What is the function of taste and smell relation in to the body?
They prepare the body for digestion, act as gatekeepers, contribute to food flavor and are strongly connected memory to
What are the five basic tastes?
Salty, sour, sweets bitter and umami
What are the types of papillae on the tongue and which one does not contain taste buds?
Filiform(no taste buds), fungiform, foliate and circumvallate
What is the primary taste cortical area in the brain?
The gustatory cortex, which includes the insula and frontal operculum
What is the difference between retonasal and orthanasal olfaction?
Retronasal olfaction occurs when odorant molecules in the mouth reach the olfactory mucosa, while orthanasal olfaction happens through the nose
How does the olfactory system create a chremotopic map?
Different odorants cause specific activation patterns in the olfactory bulb, with longer carbon chains activating receptors in different regions
What are olfactory receptors and how do they work?
Olfactory receptors are specific to a narrow range of chemicals, sending signals to the brain via the glomerulus
What areas of the brain are involved in processing smell?
The Piriform cortex, orbitofrontal cortex and amygdala
How does color influence flavor perception?
Colors, especially congruent ones, cam enhance flavor, such as red enhancing the sweetness of strawberry flavored beverages
What is the significance of odour cued memories?
They are often older and more vivid than word or picture cued memories, linking smell to emotions and memory processing in the brain e.g., hippocampus, amygdala
What is umami, and what foods are associated with it?
Umami is a pleasant savory taste, often associated with monosodium glutamate (MSG) and found in foods like soy sauce and dried fish
What is umami, and what foods are associated with it?
Umami is a pleasant savory taste, often associated with monosodium glutamate (MSG) and found in foods like soy sauce and dried fish
How often do taste and a,ell receptors regenerate?
Taste receptors every 1-2 weeks, smell receptors every 5-7 weeks
