A Wavelet Transform Based Method to Determine Depth of Anesthesia to Prevent Awareness during General Anesthesia

Table 1

Channels that have modulation effect in different patients.

Patient	Alpha	Delta
		0-1	1-2	2-3	3-4	4-5
12	8-9	1, 2, 3, 7, 8	8	1, 2	8, 12, 15	5, 11, 12, 13, 14, 15
	9-10	10	10	10	10, 14	10, 11
	10-11	8	—	—	—	—
	11-12	6	—	—	—	—
	12-13	7	—	—	—	—
13	8-9	13, 14, 15	12, 13, 15	6, 8, 12, 13, 15	6, 8	—
	9-10	All	All (. 4)	All	All	All
	10-11	—	—	—	—	12
	11-12	—	—	—	—	—
	12-13	—	—	—	—	—
14	8-9	All	All	All	All	All
	9-10	6, 9, 10, 13	2, 10, 12	1	1, 6	1, 2
	10-11	10	—	—	—	—
	11-12	—	—	—	10	—
	12-13	—	12	—	—	—
17	8-9	All (. 5)	All (. 3, 5)	All (. 3)	All	All (. 5)
	9-10	All	1, 8, 9, 10, 11, 14, 15	1, 2, 4, 11, 13, 14, 15	1, 3, 10, 11, 12, 13, 14, 15	1, 3, 5, 6, 11, 13, 15
	10-11	All (. 13, 15)	All (. 14)	All (. 14)	All (. 13, 14, 15)	All (. 14, 15)
	11-12	1, 2, 4, 5, 6, 7, 9, 12	1, 2, 3, 5, 6, 7, 9, 10, 12	2, 3, 6, 8, 10, 13	1, 3, 4, 6, 7, 8, 9, 11, 12	3, 4, 6, 7, 12
	12-13	7, 11	7, 9	—	8	2, 3, 7
23	8-9	All (. 8)	1, 2, 4, 5, 6, 7, 8	All (. 8, 12)	All	1, 2, 5, 6, 7
	9-10	—	—	—	—	—
	10-11	—	—	—	—	—
	11-12	—	—	—	—	—
	12-13	—	—	—	—	—
24	8-9	8, 12	8, 9, 10, 12, 13, 14, 15	8, 14	8, 9, 14	8, 14
	9-10	—	—	—	—	—
	10-11	—	—	—	—	—
	11-12	—	—	—	—	—
	12-13	—	—	—	—	—

The term “-” means all channels from to have modulation effect in the specified and subbands. Also, the terms “All” and “All (. )” mean that all channels and all channel except set a have modulation effect in the specified frequency range, respectively.