Chapter 6

Through which mechanism do we perceive low-frequency sounds (up to about \(100 \mathrm{Hz}\) )?

How do we perceive high-frequency sounds (above \(4000 \mathrm{Hz}) ?\)

What is one way in which the auditory and visual cortices differ?

Which type of hearing loss- conductive deafness or nerve deafness- would be more common among members of rock bands and why?

Why do many older people have trouble hearing speech in spite of wearing hearing aids?

People with damage to the vestibular system have trouble reading street signs while walking. Why?

How do jalapeños produce a hot sensation?

In what way is somatosensation several senses instead of one?

Suppose you suffer a cut through the spinal cord on the right side only. For the part of the body below that cut will you lose pain sensation on the left side or the right side? Will you lose touch sensation on the left side or the right side?

In what ways are hurt feelings similar to physical pain?

Do opiates increase or decrease itch sensations?

Suppose you find a new, unusual-tasting food. How could you determine whether we have a special receptor for that food or whether we taste it with a combination of the other known taste receptors?

If someone injected into your tongue a chemical that blocks the release of second messengers, how would it affect your taste experiences?

In what way do olfactory receptors resemble metabotropic neurotransmitter receptors?