Instrumentation Section- CNIM Cortical EPs

nstrumentation Section- CNIM Cortical EPs - answer-Amplitudes of up to 10 uV or MORE; Latencies over 10-20 msec; Near Field recordings Subcortical EPs - answer-Latencies less than 10-20 msec; Amplitudes less than 1 uV; Far Field Peripheral EPs: Near or far field? - answer-Near Field Subcortical Peaks: Upper SEP - answer-P14, N18 Subcortical Peaks: Lower SEP - answer-P31, N34 Subcortical Peaks: Baers - answer-Wave 3, wave 5 Horizontal Resolution: Frequency or Amplitude? - answer-Frequency Vertical Resolution: Frequency or Amplitude? - answer-Amplitude Number of sampling points needed is defined by: - answer-1) Frequency of the signal being averaged 2) Length of recording time; aka Analysis Time/Epoch/ Sweep time EEG Evoked Potential Filter - answer-1-70 Hz EEG Evoked Potential Frequency - answer-between 1 and 70; delta to beta Evoked Potential Filter - answer-1-3,000 Hz Nyquist Frequency - answer-The sampling rate should be at least twice as fast as the fastest frequency being recorded. Aliasing - answer-Resu