Hearing

Question 1

Movement of air molecules brought about by a source of vibration:

Answer 1

Sound

Question 2

Conversion of sound waves into neural impulses (in the hair cells of the inner ear):

Answer 2

Acoustic Transduction

Question 3

Number of wave cycles that occur in a second:

Answer 3

Frequency

Question 4

Sounds are described as high or low due to the change in pressure created by sound waves:

Answer 4

Pitch

Question 5

Pitch is measured in __:

Answer 5

Htz

Question 6

A short wavelength = a ___ pitch:

Answer 6

High

Question 7

A long wavelength = a ___ pitch:

Answer 7

Low

Question 8

Feature of wave patterns that allow us to distinguish between loud and soft sounds:

Answer 8

Amplitude

Question 9

Amplitude is measured in ___:

Answer 9

Decibels

Question 10

A large amplitude = ___ sound:

Answer 10

Loud

Question 11

A short amplitude = a ___ sound:

Answer 11

Soft

Question 12

Corresponds to the perceptual term quality:

Answer 12

Complexity

Question 13

What is another term for quality?

Answer 13

Timbre

Question 14

A standard unit for measuring a sound’s loudness:

Answer 14

Decibel

Question 15

Every increase of __ decibels ____ a sound’s intensity:

Answer 15

6; Doubles

Question 16

Noise related to ___ decibels or higher can cause prolonged hearing loss if heard over prolonged periods of time:

Answer 16

80

Question 17

External flaps of skin and cartilage:

Answer 17

Pinna

Question 18

Part of the outer ear that tends to the tympanic membrane:

Answer 18

Auditory Canal

Question 19

Separates outer ear from the middle ear:

Answer 19

Eardum

Question 20

Vibrates with receiving sounds:

Answer 20

Eardrum

Question 21

The three bones in the middle ear that are set in motion by the eardrum:

Answer 21

Ossicles

Question 22

Thin membrane leading to the inner ear:

Answer 22

Oval Window

Question 23

Coiled tube in the inner ear that contains fluid that vibrates in response to sound and triggers the receptors:

Answer 23

Cochlea

Question 24

Subject to pressure changes in the cochlear fluid:

Answer 24

Basilar Membrane

Question 25

Belong to organ of conti which is triggered by fluid movement and bend, causing the cells to send neural messages to the brain:

Answer 25

Hair Cells

Question 26

Different areas in the basilar membrane respond to different frequencies:

Answer 26

Place Theory

Question 27

Place Theory ___ frequencies produce waves that peak near the close end:

Answer 27

Higher

Question 28

Place Theory Low frequencies travel ___, peaking at the far end, being interpreted as low pitch:

Answer 28

Further

Question 29

The entire basilar membrane acts as a microphone, vibrating in response to a sound:

Answer 29

Frequency Theory

Question 30

At very high frequencies, nerves fire one after another:

Answer 30

The Volley Principle

Question 31

Since we have two ears, sounds that reach one ear faster than the other causes us to ____ the sound:

Answer 31

Localize

Question 32

What does the brain use when localizing?

Answer 32

Parallel Processing

Question 33

Hearing loss caused by damage to the mechanical system that conducts sound waves to the cochlea:

Answer 33

Conduction

Question 34

Hearing loss caused by damage to the cochlea's receptor cells or to the auditory nerve:

Answer 34

Sensorineural

Question 35

When hair cells degenerate, will they regrow?

Answer 35

No

Question 36

What type of frequency can old people hear well?

Answer 36

Low frequencies

Question 37

Old people suffer hearing loss when listening to which frequency?

Answer 37

High Frequencies

Question 38

Electronic Devices that enable the brain to hear sounds:

Answer 38

Cochlear Implant

Question 39

An illusion that's created when the auditory component of one sound is paired with the visual component of another sound, leading to a third sound:

Answer 39

McGurk Effect

Question 40

Someone with hearing loss can experience a sound of silence or a ringing sound in the ears:

Answer 40

Tinnitus

Question 41

Use of sound waves and echoes to determine where objects are:

Answer 41

Echolocation