Augustine • Fitzpatrick
A _____ is often a specialized neuron that due to its structure and function responds
to a particular form of energy. - ANSWER:Receptor
A(n) ___ stimulus is defined as an energy form that maximally stimulates a particular
receptor. - ANSWER:Adequate
_____ refers to the acquisition of sensory information, while _____ refers to the
interpretation of sensory information - ANSWER:sensation; perception
The definition of an adequate stimulus for hearing is a(n) _____. - ANSWER:vibration
in a conducting medium
If a police siren is going off nearby, what is most likely responsible for the rise and
fall you hear? - ANSWER:changes in frequency
How loud a sound is to a human is a function of its _____ and its_____. -
ANSWER:intensity; frequency
A rich musical instrument such as a clarinet has what frequency components? -
ANSWER:A complex mix of all of the above frequencies
Thomas Edison compensated for his deafness by biting down on the wooden case of
his phonograph and listening to the recording using bone conduction. What form of
sound analysis does this not use? - ANSWER:Frequency theory
When sound enters the ear, they first strike the - ANSWER:Tympanic membrane
The _____ adjusts the tension of the eardrum as a function of environmental noise,
and is responsible for the rumble you hear when you yawn - ANSWER:tensor
tympani
The ossicles serve to _____ the sound energy to the inner ear as well as _____ it. -
ANSWER:Conduct : amplify
The _____ is the receptive organ of the ear - ANSWER:Organ of corti
Which of the following structures is/are not part of the auditory system?
Cochela,Ossicles, Pinna, Semicircular canals - ANSWER:semicicular canals
Bending hair cells causes: - ANSWER:Opening of K channels
, Which of the following sequences best describes the pathway of auditory signals
through the brain? - ANSWER:cochlea, auditory nerve, brainstem nuclei, inferior
colliculi, medial geniculate nucleus, auditory cortex
The primary auditory cortex receives input directly from the - ANSWER:Medial
geniculate nucleus
The primary auditory cortex contains a topographical "map" of - ANSWER:locations
on an unrolled basilar membrane
When Janice is pointing out where a rattle is coming from in her car's engine
compartment, despite her not knowing what it means, her sound discrimination
ability is a function of her - ANSWER:dorsal stream of auditory information analysis
Officer Rosa hit the deck, knowing that the sudden sound was a gunshot and not a
car backfiring, because of his _____. - ANSWER:ventral stream of auditory
information analysis
In is to out as ___ is to ___. - ANSWER:oval window; round window
The absolute refractory period of a neuron discussed earlier in the text is a limitation
of ____. - ANSWER:frequency theory
In the most accepted theory for pitch perception, for the low end of auditory
frequencies, up to about _____, _____ is used. For frequencies above this cutoff,
_____ is the preferred explanation - ANSWER:200 Hz, frequency; place
Volley theory proposed that - ANSWER:Groups of neurons followed the frequency of
a sound at frequencies where a single neuron cannot
For frequencies of sound to which place theory applies, neurons inform the brain of
these frequencies by - ANSWER:the region of the basilar membrane with maximal
vibration and subsequently which neurons are firing most
According to Békésy's observations, higher frequency sounds produced vibrations
near the _____ of the basilar membrane while lower frequency sounds resulted in
vibrations centered near the _____ of the basilar membrane - ANSWER:base; apex
Problems with sound conduction such as loss of middle ear bones can be overcome
using ___, problems with the hair cells can be overcome using ___. -
ANSWER:hearing aids; cochlear implants
Cochlear implants will work best for the adult deaf person who - ANSWER:learned
language before becoming deaf