Deck 5: Perception of Sound

Question 1

The dynamic range of loudness perception spans

A) 30 dB
B) 60 dB
C) 120 dB
D) 240 dB

Answer 1

C

Question 2

Which one of the following is not associated with conductive hearing loss?

A) Damage to the tympanic membrane
B) Damage to the ossicles
C) Auditory thresholds are raised by up to 40-50 dB
D) Cochlear damage

Answer 2

D

Question 3

Which one of the following does not cause cochlear damage?

A) Ear wax
B) Exposure to intense sounds
C) Infection
D) Presbyacusis
E) Allergy

Answer 3

A

Question 4

Which one of the following is not associated with cochlear damage?

A) Broader frequency tuning
B) Threshold elevation at all sound frequencies
C) Loudness recruitment
D) Impaired ability to segregate a speech signal from background noise.

Question 5

Which one of the following is the name for the pitch heard in a complex wave due to beats?

A) Missing fundamental
B) Fundamental frequency
C) Residue pitch
D) Notched noise

Question 6

The beat frequency in a complex sound corresponds to

A) The place of maximum excitation on the basilar membrane
B) The sound's intensity
C) The sound's resolved harmonics
D) The sound's fundamental frequency

Question 7

Which researcher first proposed the duplex theory of sound localisation?

A) Georg vonBekesy
B) Lord Rayleigh
C) Lloyd Jefress
D) Georg Ohm

Question 8

Which of the following statements is not true? Wernicke's aphasia:

A) Is the name given to disordered speech perception
B) Is caused by damage in the posterior part of the left temporal lobe
C) Is not associated with marked sensory impairments in hearing
D) Offers evidence for a special speech mode of auditory processing

Question 9

If a person reports hearing problems in noisy environments but standard tests do not reveal sensory deficits which one of the following conditions are they likely to have?

A) Tinnitus
B) Damage to the tympanic membrane
C) Otosclerosis
D) Central auditory processing disorder (CAPD)

Question 10

The grouping of parts of a complex acoustic signal into discrete auditory objects is called

A) Auditory streaming
B) Speech mode
C) Precedence effect
D) Categorical perception

Question 11

Which structure vibrates to create speech sounds?

A) Tongue
B) Vocal chords
C) Lips
D) Cheeks

Question 12

A sound signal containing a narrow range of frequencies with random phase and amplitude is called:

A) Band-width noise
B) Critical-band noise
C) Broad-band noise
D) Band-pass noise

Question 13

At most frequencies The JND for pitch discrimination is below

A) 1%
B) 5%
C) 10%
D) 15%

Question 14

The most important source of information about pitch in complex sounds is

A) Timing of responses in the auditory nerve
B) Place of maximum excitation on the basilar membrane
C) ITDs
D) ILDs

Question 15

A sound having an azimuth angle of 0° and an elevation of 90° is:

A) Directly in front of the head.
B) Directly behind the head
C) Directly above the head
D) Directly opposite the left ear

Question 16

Which one of the following statements is not true for localisation in the vertical plane?

A) The cue for vertical localisation is binaural.
B) The cue is based on the interaction of sound with the pinna
C) The effect of the pinna is restricted to frequencies above 6 kHz
D) The filtering effect of the pinna depends on the direction of the sound source

Question 17

Thunder is heard as a sharp crack from nearby but a low rumble from a far distance because

A) Lower sound frequencies travel through the air faster than higher sound frequencies.
B) Sound intensity decreases by a factor of four each time distance doubles.
C) Air molecules absorb energy at higher sound frequencies more than at lower frequencies.
D) Reverberation decreases as source distance increases.

Question 18

The idea that speech processing is qualitatively different from the processing of non-speech sounds in partly based on

A) The frequency content of speech sounds.
B) Evidence for the existence of phonemes
C) Evidence for top-down processing of speech.
D) Evidence for categorical perception in speech

Question 19

Cochlear implants have been available since:

A) 1920's
B) 1940's
C) 1960's
D) 1980's