Exam 15: The Chemical Senses

Evidence for ______ is provided by an Erickson (1963) study in which rats appeared to be unable to discriminate between two different solutions that produce a similar taste.

Describe the Proust effect and provide a physiological explanation for its occurrence.

Discuss the research on odor identification. Relate Goldstein's anecdote about smelling "Aquavit" to odor identification (or better yet, describe a similar situation that happened in your life).

The orbital frontal cortex receives input from

Dogs are more sensitive to smells than humans because

Olfactory signals from the glomeruli project to

Which technique involves injecting an animal with a radioactive molecule to see which part of the olfactory bulb is most activated by different chemicals?

The difference between "tasters" and "non-tasters" in the ability to taste PROP is due to:

The "life-span" of olfactory receptors in humans is

What is flavor? Describe how taste experience is affected if olfaction does not take place when tasting a substance.

In taste research, people are classified as "tasters" or "non-tasters" based on their sensitivity to PTC, which tastes

In one study, men rated the scent of t-shirts worn by women three nights in a row. The results indicated that

The human sensitivity for the odorant found in natural gas is ________ the odorant for the main substance in nail polish remover.

____ tastes cause an autonomic acceptance response and prepares the gastrointestinal tract for these substances.

The relationship between an odorant's smell and its recognition profile is similar to ___________ in vision.

When an eight-hour-old newborn is given a concentrated shrimp odor to smell, the Newborn

Sodium nitrate results in a taste of

The central part of the tongue has no taste sensations because that part consists primarily of _______ papillae which do not contain taste buds.

Which of the following is a correct interpretation when using calcium imaging to measure olfactory receptor response?

__________ is the inability to smell due to injury or infection.