CI Function
This external component picks up sound from the environment.
What is the microphone?
What type of hearing loss is typically required for adults to be considered for cochlear implantation?
What is moderate to profound bilateral sensorineural hearing loss?
What term refers to the lowest level of electrical stimulation a cochlear implant user can hear 100% of the time?
What is a T-level (threshold level)?
This refers to using a cochlear implant in one ear and a hearing aid in the other?
What is bimodal hearing?
What is a primary goal of EAS and hybrid devices compared to traditional CIs?
What is preserving low-frequency residual hearing?
The speech processor converts sound into this type of signal before sending it to the implant?
What is a digital signal?
What patient-reported tool helps quantify perceived benefit with hearing aids before implantation?
What is a subjective questionnaire, like the CI-QOL or SSQ?
What condition must be met in the middle ear for eSRT measurements to be valid?
What is normal middle ear function with a proper tympanometric seal?
Which type of hearing loss intervention amplifies sound in both ears and routes it across the head?
What is a BiCROS system?
What distinguishes a hybrid electrode array from a conventional one?
What is that it is shorter, to reduce insertion depth and preserve residual hearing?
These structures inside the cochlea are bypassed by cochlear implants due to their damage or dysfunction?
What are hair cells?
What is considered the most challenging adult sentence test used for cochlear implant candidacy?
What is the AzBio sentence test?
What unit is used to report electrode impedance?
What is kilo-ohms (kΩ)?
Name two benefits of bimodal hearing compared to unilateral CI.
What are improved speech understanding in noise and better sound localization?
What CNC word recognition range in the implanted ear is considered for hybrid candidacy?
What is 10–60%?
These two parts of the external processor boost high-frequency sounds and improves the signal-to-noise ratio before converting sound into an electrical code.
What is the preamplifier and digital sound processor?
Name one non-audiologic factor that may disqualify a patient from receiving a cochlear implant.
What is poor psychological stability, lack of motivation, unrealistic expectations, or poor support system?
What objective test correlates more accurately with upper stimulation levels than NRT?
What is eSRT (Electrically Evoked Stapedial Reflex Threshold)?
According to recent research, what percentage of SSD CI users reported improvement in tinnitus after implantation?
What is 100%?
In programming, what is the term for the point where acoustic input transitions to electrical input?
What is the cut-off frequency?
This challenge occurs when the electrode does not match the expected frequency region in the cochlea
What is place pitch mismatch?
What speech understanding score does Medicare currently use as the maximum for adult cochlear implant candidacy?
What is less than 60% on aided sentence recognition?
This determines loudness and is the area under the pulse.
What is electrical charge?
What is the name of the phenomenon where the head physically blocks sound, causing the ear farther from the sound source to receive it later and at a lower intensity?
What is the Head Shadow Effect?
What is a contraindication for hybrid candidacy related to the duration of hearing loss?
What is hearing loss for 30 years or longer?