TABLE I.

Features Extracted from Burst Envelope

#	Feature	Description
1–3	max (& _on, _off)	Maximum amplitude
4–11	mean (& _n, _on, _on_n, _off, _off_n, _off_on, _off_n_max)	Mean amplitude
12–19	med (& _n, _on, _on_n, _off, _off_n, _off_on, _off_n_max)	Median amplitude
20–27	auc (& _n, _on, _on_n, _off, _off_n, _off_on, _off_n_max)	Area under the curve
28–35	std (& _n, _on, _on_n, _off, _off_n, _off_on, _off_n_max)	Standard deviation
36–41	meandiff (& _n, _on, _on_n, _off, _off_n)	Average slope
42–45	maxROC (_on, _on_n, _off, _off_n)	Maximum (absolute) slope
46–51	sr (& _n, _on, _on_n, _off, _off_n)	Slew rate (from reference levels 25% to 75% max amplitude)
52–54	C (& _on, _off)	Time index @ 50% total auc
55	tc	Time constant of exponential decay (slope of logarithmic fit line)
56	intercept	y-intercept of logarithmic fit line
57	i_min_log	Time index of minimum of logarithmic fit line
58	log_gof	Goodness of logarithmic fit line
59	symm_diff	Symmetry of burst envelope (folded in half, subtracted)
60	symm_diff_abs	Absolute value of residuals of the above
61	symm_ratio	Symmetry of burst envelope (folded in half, divided)
62	symm_pctdiff	Percent differences of the above
63–68	MX(& _n, _on, _on_n,_ off, _off_n)	Mobility parameter: ratio of std(X) to std(dX/dt)
69	MXX	2nd mobility parameter: ratio of std(dX/dt) to std(d2X/dt2)
70	FF	Form factor: ratio of MX to MXX

‘_on’ = specific to the “on” burst region; ‘_off’ = specific to the “off” burst region; ‘_offon’ = ratio of _off feature to _on feature; ‘_n’ = normalized to envelope max; ‘_n_max’ = normalized to envelope max²