Olfactory Perception and Anosmia

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What is the estimated percentage of Parkinson's disease patients who present with olfactory dysfunction?

96% (correct)

40%

75%

90%

What is the average lifespan of a taste receptor?

30 to 40 days

10 to 14 days (correct)

5 to 7 days

20 to 28 days

What is the primary mechanism of saltiness receptors?

Responding to plant alkaloids

Allowing sodium ions to cross their cell membrane (correct)

Responding to glutamate

Responding to sugars

What is the term used to describe the sensation of flavour, which is primarily influenced by smell?

Retronasal route Signup and view all the answers

What is the potential consequence of anosmia in adults?

Increased risk of mortality Signup and view all the answers

What is the term used to describe the phenomenon where people eventually feel full and satisfied with a specific food, but may still have room for other foods?

Sensory-specific satiety Signup and view all the answers

What is the reason behind specific anosmia?

A specific olfactory gene is not present or not functioning Signup and view all the answers

What is the effect of pleasant and unpleasant odours on attractiveness ratings of faces?

Pleasant odours increase attractiveness ratings, while unpleasant odours decrease them Signup and view all the answers

What is the role of visual information in odour perception?

Visual information enhances odour perception Signup and view all the answers

What is the result of products having congruent scents?

Products with congruent scents are evaluated more positively Signup and view all the answers

What is a characteristic of the sense of smell?

The sense of smell can show very obvious adaptation effects Signup and view all the answers

Which nerve is stimulated by certain odor components, producing physical odor sensations?

Trigeminal nerve Signup and view all the answers

Which part of the brain is directly connected to the olfactory bulb and plays a role in emotional responses to odors?

Amygdala Signup and view all the answers

What is unique about the olfactory pathway compared to other senses?

It bypasses the thalamus Signup and view all the answers

What type of memories are often evoked by odors, according to research?

Emotional, vivid, specific, rare, and old Signup and view all the answers

What is the term for a condition characterized by the loss of the sense of smell?

Anosmia Signup and view all the answers

Which region of the brain is involved in the processing of olfactory information and is also involved in emotional and decision-making processes?

Orbitofrontal cortex Signup and view all the answers

Olfactory Perception and Anosmia

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