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. Author manuscript; available in PMC: 2013 May 31.
Published in final edited form as: Respir Physiol Neurobiol. 2012 Mar 30;181(3):286–301. doi: 10.1016/j.resp.2012.03.012

Table 1.

Activity of inspiratory neurons in normoxia and hypoxia during sleep

NREM
REM
Hypoxia if other than 10%
Normoxia
Hypoxia
Normoxia
Hypoxia
Cell Classification η2 Interspike interval (ms) n Interspike interval (ms) n Direction of Change Interspike interval (ms) n Interspike interval (ms) n Direction of Change
SUMA 16 Idec 0.8 98 (260) 792 74 (189)* 846 ↓ --- --- --- --- --- --- ---
STA 61 Idec 0.7 154 (318) 136 117 (264) 1089 nc --- --- --- --- --- --- ---
SUMA 82 Idec 0.6 203 (550) 408 110 (342)* 2894 ↓ --- --- --- --- --- --- ---
SUMA 33*1 Idec 0.3 140 (331) 1579 100 (187)* 676 ↓ --- --- --- --- --- --- ---
GWAY 108*1 Iaug 0.9 28 (52) 18258 24 (64)* 5810 ↓ 28 (52) 39465 28 (68) 10097 nc
GWAY 100 Iaug 0.9 64 (244) 1153 56 (208) 1404 nc 36 (120) 7764 32 (108) 4603 nc
GWAY 56*1 Iaug 0.9 28 (40) 11461 28 (36) 12298 nc 20 (20) 32502 --- --- --- ---
GWAY 135 Iaug 0.9 48 (164) 9983 32 (148)* 3134 ↓ 44 (132) 16661 36 (124)* 4929 ↓
GWAY 136 Iaug 0.9 35 (160) 7405 30 (148)* 12887 ↓ --- --- --- --- --- --- ---
SUMA 71*1 Iaug 0.9 41 (97) 4751 31 (65)* 5450 ↓ 23 (49) 31903 --- --- --- ---
SUMA 64 Iaug 0.9 92 (321) 1773 96 (308) 1039 nc 72 (228) 6021 --- --- --- ---
GWAY65 Iaug 0.8 120 (368) 863 52 (208)* 6439 ↓ 40 (108) 24211 28 (108)* 7112 ↓
STA 65 Iaug 0.7 33 (40) 2117 19 (22)* 6028 ↓ --- --- --- --- --- --- ---
SUMA 89*1 Iaug 0.7 148 (398) 384 84 (252)* 1408 ↓ 25 (112) 16944 --- --- --- ---
STA 34*1 Iaug 0.7 64 (240) 5040 73 (279) 1814 nc 100 (300) 3911 --- --- --- ---
GWAY 40*1 Iaug 0.7 108 (240) 830 120 (296) 880 nc 52 (128) 12452 80 (176)* 4753 ↑
STA 50 Iaug 0.6 44 (163) 546 66 (254) 2544 nc --- --- --- --- --- --- ---
GWAY 23 Iaug 0.6 97 (305) 1360 96 (263) 577 nc 51 (135) 8946 --- --- --- ---
GWAY 137 Iaug 0.4 299 (564) 651 183 (344)* 1633 ↓ --- --- --- --- --- --- ---
DOLY 131*1 Iaug 0.8 80 (149) 3091 48 (76)* 250 ↓ --- --- --- --- --- --- --- 12%
GWAY 29 Ithru 0.9 80 (152) 6555 44 (60)* 9678 ↓ 68 (100) 9497 --- --- --- ---
GWAY 69 Ithru 0.8 80 (220) 897 60 (220)* 1878 ↓ 64 (156) 8339 48 (156)* 5651 ↓
GWAY 58 Ithru 0.8 92 (156) 2565 52 (40)* 7900 ↓ 116 (256) 1142 --- --- --- ---
GWAY 1 Ithru 0.7 93 (32) 1317 41 (12)* 3326 ↓ 52 (23) 7167 38 (19)* 6713 ↓
GWAY 43 Ithru 0.7 104 (192) 10224 80 (128)* 4032 ↓ 40 (64) 4324 --- --- --- ---
GWAY 112 Ithru 0.6 34 (12) 4170 40 (14)* 10717 ↑ 16 (16) 28411 --- --- --- --- 11%
SUMA 78 Ithru 0.6 48 (181) 2097 98 (336)* 1801 ↑ 51 (174) 7566 --- --- --- ---
SUMA 47 Ithru 0.6 74 (211) 2273 50 (146)* 876 ↓ 186 (423) 1480 --- --- --- ---
EDMN 21 Ithru 0.5 482 (783) 339 788 (988)* 200 ↑ 163 (295) 549 296 (493)* 383 ↑
GWAY 130 Ithru 0.8 68 (208) 1510 76 (204) 4375 nc 32 (96) 9308 --- --- --- ---
GWAY 36 Late I 0.7 188 (540) 2712 124 (404)* 4072 ↓ 104 (340) 1612 ---- ---- ---- ----
GWAY 68 Late I 0.7 312 (808) 628 304 (768) 744 nc ---- ---- ---- 52 (204) 6757 ----
GWAY 30 Late I 0.6 492 (873) 588 291 (647)* 1180 ↓ --- --- --- --- --- --- --- 11%
GWAY 28 Late I 0.5 80 (212) 2033 72 (196) 10561 nc 40 (120) 8580 44 (136) 6603 nc
GWAY 134 Late I 0.4 540 (1140) 179 1032 (1492)* 764 ↑ 340 (1480) 1055 ---- ---- ---- ----
GWAY 82 Late I 0.2 148 (320) 2743 56 (92)* 7112 ↓ 44 (96) 14770 ---- ---- ---- ----
SUMA 36a*1 Pre-I 0.9 94 (291) 668 36 (142)* 1069 ↓ --- --- --- --- --- --- ---
STA 53 I cell 0.4 192 (787) 549 110 (258)* 2011 ↓ --- --- --- --- --- --- ---
SUMA 2 I cell 0.3 84 (123) 1498 144 (250)* 443 ↑ --- --- --- --- --- --- --- 12.5%
STA 63 I cell 0.2 267 (505) 413 192 (535)* 1144 ↓ --- --- --- --- --- --- ---

Data are means & (S.D.), n = # of spikes, arrows indicate significant increase or decrease in hypoxia value compared to normoxia, nc = no significant change,

*

p<0.05;

*1

neurons tonically active during wanning/apneic phase.