Skip to main content
. Author manuscript; available in PMC: 2007 Oct 15.
Published in final edited form as: Clin Neurophysiol. 2007 Mar 23;118(5):1134–1143. doi: 10.1016/j.clinph.2006.12.019

Table 1.

Summary of automated detector characteristics.

X Y1 Y2 Benchmark (Staba et al., 2002)
Data Bandwidth 0.1 – 100 Hz 0.1 – 100 Hz 0.1 – 100 Hz 0.1 – 5,000 Hz
Spectral Equalization 1st-order difference - - -
Bandpass Filtering 30 – 85 Hz 4th-order Butterworth 30 – 85 Hz 4th-order Butterworth 30 – 85 Hz 4th-order Butterworth 100 – 500 Hz Finite Impulse Response (FIR) -33 dB/octave
Energy Measure Line length RMS amplitude RMS amplitude RMS amplitude
Energy Measure Window Size 85 ms (17 samples) 85 ms (17 samples) 85 ms (17 samples) 3 ms (30 samples)
Threshold 97.5 percentilea (per epoch) μ + 2.5σa (global) μ + 5σa (global) μ + 5σb (global)
Minimum Event Duration 80 ms 80 ms 80 ms 6 ms
Ripple Count Criteria None None None 6-peak minimum
a

Estimated from the empirical distribution of energy-measure values for each epoch

b

Estimated from the empirical distribution of energy-measure values using all available data