TEST 3. Basic Technical aspects of EEG

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Question 1 of 10
1. Question
What is EEG frequency?
Combination of frequency and amplitude of the EEG signal affecting the "shape" of the EEG
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The number of EEG wave oscillations per second (measured in Hz)
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A computational method of the frequency content of an EEG signal
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The difference between the peak of a wave to the sink of a wave (measured in microvolts)
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Question 2 of 10
2. Question
What is EEG amplitude?
A combination of frequency and amplitude of the EEG signal affecting the "shape" of the EEG
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The number of EEG wave oscillations per second (measured in Hz)
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A computational method of the frequency content of an EEG signal
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The difference between the peak of a wave to the sink of a wave (measured in microvolts)
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Question 3 of 10
3. Question
What is EEG morphology?
A combination of frequency and amplitude of the EEG signal affecting the "shape" of the EEG
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The number of EEG wave oscillations per second (measured in Hz)
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A computational method of the frequency content of an EEG signal
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The difference between the peak of a wave to the sink of a wave (measured in microvolts)
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Question 4 of 10
4. Question
What is EEG spectral analysis?
A combination of frequency and amplitude of the EEG signal affecting the "shape" of the EEG
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The number of EEG wave oscillations per second (measured in Hz)
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A computational method of the frequency content of an EEG signal
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The difference between the peak of a wave to the sink of a wave (measured in microvolts)
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Question 5 of 10
5. Question
Which electrodes are required for a monopolar montage and where are they placed?
Active on the cortex, ground on the ear (or mastoid), reference on the cortex
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Active on the ear (or mastoid), ground on the cortex, reference on the cortex
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Active on the ear (or mastoid), ground on the cortex, reference on the ear (or mastoid)
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Active on the cortex, ground on the ear (or mastoid), reference on the ear (or mastoid)
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Question 6 of 10
6. Question
Where are EOG electrodes placed?
Around the ears
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Around the mouth
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Around the eyes
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Around the nose
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Question 7 of 10
7. Question
What sampling rate is required by the Nyquist theorem to deter aliasing?
Half the highest frequency being measured
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Equal to the highest frequency being measured
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Twice the highest frequency being measured
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Three times the highest frequency being measured
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Question 8 of 10
8. Question
What is a Fast Fourier Transform?
A faster way of processing EEG
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A method of extracting amplitude information from the EEG via cosine functions
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An EEG postage method
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50%
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Question 9 of 10
9. Question
What differentiates an event-related potential from a spectral analysis?
The averaging of the EEG
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EEG is processed in the time domain
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Amplitude is considered
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It tells us more about brain arousal states
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Question 10 of 10
10. Question
What is a high-pass filter used for?
It allows higher frequencies to pass
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It allows lower frequencies to pass
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It stops higher frequencies from passing
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It stops higher and lower frequencies from passing
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TEST 3. Basic Technical aspects of EEG

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