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. Author manuscript; available in PMC: 2020 Apr 1.
Published in final edited form as: Anesthesiology. 2019 Apr;130(4):560–571. doi: 10.1097/ALN.0000000000002637

Table 1.

Inter-areal Phase Amplitude Coupling variations. Values are means (95 % confidence interval). Confidence intervals are computed using the bootstrap method (2000 replicates). All values are modulation indices ×10^-4. Coupling strength increases dramatically under anesthesia.

Baseline Anesthetized Recovery
FEF
Amp
LIP
Amp
V1
Amp
V2
Amp
FEF
Amp
LIP
Amp
V1
Amp
V2
Amp
FEF
Amp
LIP
Amp
V1
Amp
V2
Amp
FEF phase 5.4 (4.7 - 6.3) 5.4 (4.8 - 5.9) 5.4 (4.8 - 6.1) 5.5 (4.7 - 6.5) 68.1 (45.4 - 104.6) 145.9 (121.3 - 186.1) 68.0 (49.0 - 91.0) 89.7 (58.9 - 113.4) 6.5 (5.8 - 7.5) 6.9 (5.8 - 8.1) 13.5 (9.4 - 16.8) 6.7 (5.3 - 7.8)
LIP phase 5.5 (4.7 - 6.4) 5.9 (5.1 - 6.6) 5.6 (4.7 - 6.6) 5.7 (4.6 - 6.6) 23.2 (17.3 - 31.1) 138.8 (108.8 - 161.6) 61.0 (31.5 - 96.7) 57.8 (46.8 - 69.5) 6.5 (5.7 - 7.7) 6.6 (5.3 - 8.1) 10.6 (7.4 - 14.4) 5.8 (4.8 - 6.4)
V1 phase 5.8 (5.0 - 6.7) 5.5 (4.6 - 6.5) 9.0 (7.4 - 10.8) 6.0 (5.3 - 6.9) 42.2 (28.8 - 57.0 ) 89.1 (56.7 - 122.9) 69.2 (46.0 - 89.1) 80.0 (61.1 - 103.7) 6.9 (5.4 - 8.4) 6.5 (5.5 - 7.5) 10.7 (8.0 - 12.5) 6.4 (5.5 - 7.4)
V2 phase 4.8 (4.3 - 5.6) 5.4 (4.4 - 6.2) 6.6 (5.5 - 7.7) 5.7 (4.9 - 6.5) 62.0 (30.4 - 107.4) 82.0 (46.9 - 125.1) 126.0 (94.3 - 151.3) 109.2 (73.6 - 146.6) 6.7 (5.8 - 7.5) 6.1 (5.0 - 7.0) 15.7 (10.5 - 20.7) 7.0 (6.0 - 8.3)