Hearing

Question 1

Pinna

Answer 1

Visible part of the ear that protrudes from our heads

Question 2

Ossicles

Answer 2

three bones in the middle ear.

Question 3

Cochlea

Answer 3

fluid-filled structure that contains sensory receptor cells.

Question 4

Hair cells

Answer 4

Auditory receptor cells of inner ear embedded in the basilar membrane

Question 5

Basilar membrane

Answer 5

thin strip of tissue within the cochlea

Question 6

temporal theory

Answer 6

asserts that frequency is coded by the activity level of a sensory neuron

Question 7

Place theory

Answer 7

suggests that different portions of the basilar membrane are sensitive to sounds of different frequency

Question 8

Monoaural

Answer 8

using one ear

Question 9

Binaural

Answer 9

using both ears

Question 10

Interaural level difference

Answer 10

refers to fact that a sound coming from right side of body is more intense in the right ear than the left because attenuation of the sound wave as it passes through your head.

Question 11

Deafness

Answer 11

partial of complete inability to hear

Question 12

Congenital deafness

Answer 12

being born without hearing

Question 13

Conductive haring loss

Answer 13

haring loss due to a problem delivering sound energy to the cochlea

Question 14

Conductive hearing loss causes

Answer 14

blockage of ear canal, hole in tympanic membrane, problems with the ossicles, fluid between the eardrum and cochlea.

Question 15

Sensorineural hearing loss causes

Answer 15

aging, head or acoustic trauma, infections and diseases, medications, environmental effects, tumours and toxins.

Question 16

Meiniere’s disease

Answer 16

results in a degeneration of inner ear structures that can lead to hearing loss, tinnitus, vertigo, and increase in pressure in the inner ear. Cannot be treated within hearing aids.

Question 17

Cochlear implants

Answer 17

electronic devices that consist of a microphone, speech processor and an electrode array. The device receives sound information and directly stimulates the auditory nerve to transmit information to the brain.

Question 18

Pure tone

Answer 18

tone with a single frequency vibration.

Question 19

Frequency

Answer 19

the number of cycles per second of an auditory stimulus in hertz.