When is calibrations performs? - ANSWER: At the start of each recording session
What amplifier and averager conditions should be impletmented when performing calibration? - ANSWER: Amplifier and recording paramters should replicate those of the first recording session
Define the waveform re...
When is calibrations performs? - ANSWER: ✔✔At the start of each recording session
What amplifier and averager conditions should be impletmented when performing calibration? -
ANSWER: ✔✔Amplifier and recording paramters should replicate those of the first recording session
Define the waveform replication criteria for latency and amplitude - ANSWER: ✔✔Latency replication
within 1% of the total sweep time
Amplitude replication within 15% of the peak to peak amplitude
Reference normative data may be utilized if two conditions are met. What are they? - ANSWER: ✔✔1.
Stimulus, recording and other conditions to reference lab
2. At least 20- normal subjects are studied and fall within the normal values
Define recommended system set up changes which are recommended for FF- PR-VEP when a marked
delay or absent recording is present - ANSWER: ✔✔1. Increase analysis time up to 500 ms.
2. Slower reversal rate of 2/sec or less 400 or more averages
List the 3 components which occur in the first 1.5 milliseconds after click stimulation at the ear -
ANSWER: ✔✔1. CM- Cochlear Microphonic
2. SP- Summating potential
3. AP- Action potential of the 8th Cranial Nerve
Name the generator of the first 2 components which occur in the first 1.5 milliseconds after click
stimulation - ANSWER: ✔✔Receptor potentials of the Cochlear hair cells
Define the label for the obligate peak recommended when recording. THe main component of the
auditory nerve action potential of the electrocephleagram - ANSWER: ✔✔N1
, Define the recording parameter which radically changes the CM of the BAEP and how it changes the
potential - ANSWER: ✔✔1. Alternating Click Polarity
2. Zeroes of cancels this potential
Define the most common clinical disease which changes this peak of the BAEP (first) and describe the
most common change seen - ANSWER: ✔✔- Summating potentials
- Menieres Disease
- SP Increases in Amplitude
Define the recording montage for auditory evoked potentials - ANSWER: ✔✔+ Input/ - Input
Cz/ A1
Cz/ A2
A2/ A1
What is the generator of the N1 of the ECOG? - ANSWER: ✔✔Distal portion of the 8th Cranial Nerve
What is the generator of the W1 of the BAEP? - ANSWER: ✔✔Distal portion of the 8th Nerve
What is the active electrode when recording the W1 of the BAEP? - ANSWER: ✔✔A1 or the electrode
ipsilateral to surgery
What is the polarity of wave 1 of the BAEP? - ANSWER: ✔✔Ear-Canal negative
What type of stimuli is recommended for BAEP? - ANSWER: ✔✔Broad band clicks in the 1,000-4,000 Hz
range
What is the recommended duration of the stimulis of BAEP? - ANSWER: ✔✔100 usec rectangular pulse
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Fordenken. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £10.16. You're not tied to anything after your purchase.
