Podcast
Questions and Answers
Which part of the cochlea is tuned to high-frequency sound?
Which part of the cochlea is tuned to high-frequency sound?
- Apical end
- Basal end (correct)
- Scala tympani
- Scala vestibuli
What is the purpose of the middle ear ossicles?
What is the purpose of the middle ear ossicles?
- To prevent sound reflection
- To increase pressure in the cochlea (correct)
- To produce endolymph
- To connect the outer and inner ear
What is the composition of the cochlear fluids in the scala media?
What is the composition of the cochlear fluids in the scala media?
- High Na+ and low K+
- Low Na+ and low K+
- High K+ and low Na+ (correct)
- High Na+ and high K+
What is the function of the organ of Corti?
What is the function of the organ of Corti?
Which type of hair cells are mainly innervated by efferent nerve fibers?
Which type of hair cells are mainly innervated by efferent nerve fibers?
What is the major cation in endolymph?
What is the major cation in endolymph?
What causes the depolarization of hair cells in response to deflection of the hair bundle?
What causes the depolarization of hair cells in response to deflection of the hair bundle?
Which type of neurons innervate the outer hair cells in the cochlea?
Which type of neurons innervate the outer hair cells in the cochlea?
What is the function of the efferent system in the cochlea?
What is the function of the efferent system in the cochlea?
Which part of the cochlea responds to low frequencies?
Which part of the cochlea responds to low frequencies?
What is the maximum number of channels provided by cochlear implants to substitute for hair cells?
What is the maximum number of channels provided by cochlear implants to substitute for hair cells?
What are the physical effects of noise on hair bundle structure?
What are the physical effects of noise on hair bundle structure?
What percentage of the population over the age of 70 has significant high frequency hearing loss?
What percentage of the population over the age of 70 has significant high frequency hearing loss?
What is the main function of the cochlear ganglion?
What is the main function of the cochlear ganglion?
Which part of the auditory system is responsible for converting sound waves into electrical signals?
Which part of the auditory system is responsible for converting sound waves into electrical signals?
How is sound intensity measured in decibels (dB)?
How is sound intensity measured in decibels (dB)?
What is the frequency range of ideal human hearing?
What is the frequency range of ideal human hearing?
What can intensities higher than 90 dB lead to?
What can intensities higher than 90 dB lead to?
Which part of the central auditory system is responsible for processing sound localization?
Which part of the central auditory system is responsible for processing sound localization?
What are the two important attributes of sound?
What are the two important attributes of sound?
What is the function of hair cells in the cochlea?
What is the function of hair cells in the cochlea?
Which part of the auditory system is responsible for extracting information about the level, onset, and timing of sounds?
Which part of the auditory system is responsible for extracting information about the level, onset, and timing of sounds?
Where does parallel processing start in the auditory system?
Where does parallel processing start in the auditory system?
What are the two binaural cues used to localize sounds in space?
What are the two binaural cues used to localize sounds in space?
What is the role of the auditory cortex in the auditory system?
What is the role of the auditory cortex in the auditory system?
What is the function of the cochlear nucleus in the auditory system?
What is the function of the cochlear nucleus in the auditory system?
What happens when there are lesions in the auditory cortex?
What happens when there are lesions in the auditory cortex?
What is the primary auditory cortex responsible for?
What is the primary auditory cortex responsible for?
What is the role of the superior olivary complex in the auditory system?
What is the role of the superior olivary complex in the auditory system?
What is the role of the inferior colliculus in the auditory system?
What is the role of the inferior colliculus in the auditory system?
Which part of the cochlea is responsible for detecting high-frequency sound?
Which part of the cochlea is responsible for detecting high-frequency sound?
What is the primary function of the outer hair cells in the cochlea?
What is the primary function of the outer hair cells in the cochlea?
What is the composition of the cochlear fluids in the scala media?
What is the composition of the cochlear fluids in the scala media?
What is the function of the organ of Corti in the auditory system?
What is the function of the organ of Corti in the auditory system?
What is the major cation in endolymph?
What is the major cation in endolymph?
What is the role of the cochlear ganglion in the auditory system?
What is the role of the cochlear ganglion in the auditory system?
Where does parallel processing start in the auditory system?
Where does parallel processing start in the auditory system?
Which part of the auditory system is responsible for converting sound waves into electrical signals?
Which part of the auditory system is responsible for converting sound waves into electrical signals?
What is the main function of the cochlear ganglion?
What is the main function of the cochlear ganglion?
What are the two binaural cues used to localize sounds in space?
What are the two binaural cues used to localize sounds in space?
What causes the depolarization of hair cells in response to deflection of the hair bundle?
What causes the depolarization of hair cells in response to deflection of the hair bundle?
What can intensities higher than 90 dB lead to?
What can intensities higher than 90 dB lead to?
What is the purpose of the middle ear ossicles?
What is the purpose of the middle ear ossicles?
What is the major cation in endolymph?
What is the major cation in endolymph?
Which part of the auditory system combines complex frequency and amplitude analysis of the dorsal cochlear nucleus with information on sound localization from the superior olivary complex?
Which part of the auditory system combines complex frequency and amplitude analysis of the dorsal cochlear nucleus with information on sound localization from the superior olivary complex?
Which part of the auditory system is responsible for reflexive orientation to stimuli?
Which part of the auditory system is responsible for reflexive orientation to stimuli?
Which part of the auditory system is located on the upper surface of the temporal lobe?
Which part of the auditory system is located on the upper surface of the temporal lobe?
What are the two binaural cues used to localize sounds in space?
What are the two binaural cues used to localize sounds in space?
What is the function of the superior olivary complex in the auditory system?
What is the function of the superior olivary complex in the auditory system?
What is the function of the cochlear nucleus in the auditory system?
What is the function of the cochlear nucleus in the auditory system?
What are the two important attributes of sound that neurons in the cochlear nucleus extract information about?
What are the two important attributes of sound that neurons in the cochlear nucleus extract information about?
What defects can occur in the auditory cortex if there are lesions?
What defects can occur in the auditory cortex if there are lesions?
Which part of the auditory system is responsible for extracting information about the level, onset, and timing of sounds?
Which part of the auditory system is responsible for extracting information about the level, onset, and timing of sounds?
Which part of the cochlea responds to low frequencies?
Which part of the cochlea responds to low frequencies?
What is the role of the efferent system in the cochlea?
What is the role of the efferent system in the cochlea?
What causes the depolarization of hair cells in response to deflection of the hair bundle?
What causes the depolarization of hair cells in response to deflection of the hair bundle?
What is the function of the superior olivary complex in the auditory system?
What is the function of the superior olivary complex in the auditory system?
What are the physical effects of noise on hair bundle structure?
What are the physical effects of noise on hair bundle structure?
What is the composition of the cochlear fluids in the scala media?
What is the composition of the cochlear fluids in the scala media?
What can intensities higher than 90 dB lead to?
What can intensities higher than 90 dB lead to?
Which type of neurons innervate the outer hair cells in the cochlea?
Which type of neurons innervate the outer hair cells in the cochlea?
What is the maximum number of channels provided by cochlear implants to substitute for hair cells?
What is the maximum number of channels provided by cochlear implants to substitute for hair cells?
What percentage of the population over the age of 70 has significant high frequency hearing loss?
What percentage of the population over the age of 70 has significant high frequency hearing loss?
What are the physical effects of noise on hair bundle structure?
What are the physical effects of noise on hair bundle structure?
What causes the depolarization of hair cells in response to deflection of the hair bundle?
What causes the depolarization of hair cells in response to deflection of the hair bundle?
Which part of the cochlea responds to low frequencies?
Which part of the cochlea responds to low frequencies?
What is the main function of the cochlear ganglion?
What is the main function of the cochlear ganglion?
