Video 1 Flashcards
What is the significance of prioritizing sections in auditory function assessment?
It reflects the relative importance placed on each assessment category
What does acoustic immittance relate to?
Impedance
What are the three tympanometry graphs used for?
To assess auditory function
What is the acoustic stapedial reflex?
A reflex related to auditory function
What does EcoG stand for?
Electrocochleography
What does OAE stand for?
Otoacoustic emissions
What does CAP stand for?
Central auditory processing
What does CAPD stand for?
Central auditory processing disorders
What is one of the exam questions related to the auditory pathway?
“What sounds are transduced between the pinna and the tympanic membrane?”
Fill in the blank: The process of cochlear transduction is either acoustical to electromagnetic or electrochemical to _______.
mechanical
What are the three elements of auditory function mentioned?
Complexity of the auditory pathway
How do different parts of the hearing organ interact with acoustical signals?
They amplify, resonate, detract from, or supplement the signals in various ways
This interaction is essential for effective hearing and sound processing.
What is the focus of peripheral auditory assessment?
Medical and surgical intervention, and elements of pathology
Peripheral auditory assessment is typically managed by otolaryngologists.
What is the central auditory assessment concerned with?
Interpretation, analysis, and responses beyond acoustical stimuli
This area is gaining interest and funding in research due to its complexities.
What does the central auditory processing involve?
Understanding various areas related to central auditory processing
It encompasses a multidisciplinary approach and is crucial for auditory assessments.
What anatomical components comprise the ossicular chain?
Malleus, incus, and stapes
These structures play a key role in sound transduction from the outer ear to the inner ear.
What is the significance of the tympanic membrane in auditory function?
It is involved in transducing sound from the outer world into the inner ear
The tympanic membrane’s position relative to the ossicular chain is critical for effective sound transmission.
What does the ratio of 1.2:1 signify in auditory assessment?
It relates to conductive hearing loss and the contribution of the ossicular chain
This ratio indicates the efficiency of sound transmission through the ossicular chain.
Fill in the blank: The central auditory assessment is a __________ field.
multidisciplinary
This characteristic allows for a comprehensive approach to studying auditory processing.
What is tonotopic organization?
The spatial arrangement of where sounds of different frequency are processed in the cochlea.
What frequency is represented by the first sound wave discussed?
60 Hz
What is the second frequency of the sound wave mentioned?
300 Hz
What anatomical structure is not visible in the schematic?
Round window
What is the amplification ratio of the mechanical beats transducing the sound wave?
1.2 to 1
What is the process by which acoustical sound waves are converted into mechanical beats?
Transduction
Fill in the blank: A 60 Hz acoustical wave is transduced into a series of _______.
Mechanical beats
True or False: The cochlear apex is where high-frequency sounds are processed.
False
What happens to the sound wave at the oval window?
It is transmitted to the cochlea.
What does the term ‘basilar membrane’ refer to?
A membrane in the cochlea that vibrates in response to sound waves.
What is a distinguishing feature of the 60 Hz sound wave compared to the 300 Hz sound wave?
Its location on the basilar membrane.
What does the term ‘Eustachian tube’ refer to?
A canal that connects the middle ear to the nasopharynx.
What is the role of the tympanic membrane?
To vibrate in response to sound waves.
How is the sound wave described when it reaches the cochlea?
As a tonotopic sound wave.
What is the significance of the cochlear base in sound processing?
It processes high-frequency sounds.
What type of wave is created by a 60 Hz tuning fork?
A pure sound wave.
What type of structure is mentioned that makes it visually interesting?
A coil
Where does the wave resonate in relation to the frequency stimulus?
Closer to the base
What phenomenon occurs due to the specificity of outer hair cells?
Acoustical resonance
In acoustical resonance, where does the resonance occur more towards?
The base of the cochlea
What is the frequency of the wave mentioned that resonates back toward the base?
300 Hz
Fill in the blank: The wave resonates more toward the _______.
base of the cochlea
True or False: The wave resonates more towards the apex in higher frequency stimulus.
False
