PSYCH 260 Physio Psychology chapter 6

What is the intensity of a sound wave called?

Amplitude

Why can't Torie tickle herself?

Because her brain is comparing the sensation to what is "expected" and creates a weaker response.

How many kinds of olfactory receptors do we have?

Hundreds

Which of the following is true for nerve deafness?

It can result from damage to the cochlea.

What sound characteristics can be compared between the two ears to locate the source of the sound?

Loudness and timing

According to the place theory, the basilar membrane resembles the strings of a piano in that each area along the membrane is tuned to a specific frequency.

True

Large-diameter pain axons ____.

carry sharp pain information

Professor Gramling is giving a lecture about the auditory system. He tells the class that the basilar membrane is part of the _____ in the _____.

cochlea; inner ear

Tinnitus may be ____.

due to a phenomenon like the phantom limb

Vibrations in the fluid of the cochlea cause ____.

hair cells to displace

A sound shadow refers to ____.

how much louder a high-frequency sound is for the ear closest to the sound

Deeta is a supertaster. As a result, she _____.

is more sensitive than the average person to nearly all tastes

Mae adjusted the amplitude of her radio. In other words, she adjusted the _____.

loudness

In the auditory system, hair cells are specialized receptors that respond to ____.

mechanical displacement

The receptors for taste are ____.

modified skin cells

The vomeronasal organ (VNO) is a set of receptors located ____.

near, but separate from, the olfactory receptors

Chemicals that prevent sodium from crossing the membrane ____.

reduce the intensity of salty tastes

Iris took ibuprofen to relieve her pain. The drug will work by ____.

reducing the release of chemicals from damaged tissues

Pain receptors of the skin are ____.

simple, bare neuron endings

As a result of a horrible ear infection, Charley ruptured his _____ (also known as his eardrum).

tympanic membrane