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. 2020 May 21;7(3):ENEURO.0016-20.2020. doi: 10.1523/ENEURO.0016-20.2020

Table 4.

Statistical details for changes in mean firing frequency during bursting under unloaded and loaded swallowing conditions

Measure
(Figure)
Animal Unloaded Loaded Difference Statistical test results
B38 frequency
(not plotted)
1 10.95 ± 1.80 (10) 10.57 ± 0.70 (5) 0.55 ± 0.57 (5)
3 ± 8% (5)
Protraction phase frequencies
Hotelling’s T2
T2 = 11.324, F(2,3) = 4.247,
p = 0.133 (n.s.)
Post hoc tests not conducted
2 10.44 ± 0.84 (6) 11.40 ± 0.33 (15)
3 4.50 ± 2.02 (6) 3.35 ± 2.06 (5)
4 11.88 ± 2.85 (6) 13.57 ± 0.37 (9)
5 7.41 ± 1.49 (11) 9.04 ± 0.93 (5)
I2 frequency
(not plotted)
1 15.17 ± 0.42 (10) 15.71 ± 0.92 (5) 1.21 ± 0.49 (5)
9 ± 4% (5)
2 12.33 ± 0.85 (6) 12.43 ± 0.62 (15)
3 12.80 ± 0.44 (6) 15.66 ± 0.70 (5)
4 15.37 ± 0.37 (6) 16.15 ± 0.81 (9)
5 12.92 ± 0.37 (11) 14.68 ± 0.78 (5)
B8a/b frequency
(not plotted)
1 12.00 ± 0.87 (10) 12.20 ± 0.61 (5) 1.59 ± 0.93 (5)
10 ± 5% (5)
Retraction phase frequencies
Hotelling’s T2
T2 = 29.446, F(2,3) = 11.042,
p = 0.041 (sig.)
Post hoc test: B8a/b frequency
Shapiro–Wilk, W = 0.95, p = 0.75 (n.s.)
Paired t test, t(4) = 1.710, p = 0.081 (n.s.)
Cohen's d = 0.28
Post hoc test: B3/B6/B9 frequency
Shapiro–Wilk, W = 0.96, p = 0.84 (n.s.)
Paired t test, t(4) = 3.935, p = 0.009 (sig.)
Cohen's d = 0.47
2 18.22 ± 1.27 (6) 22.91 ± 0.93 (15)
3 21.61 ± 2.79 (6) 23.40 ± 2.22 (5)
4 22.20 ± 1.04 (6) 21.46 ± 1.72 (9)
5 10.32 ± 0.51 (11) 12.32 ± 0.72 (5)
B3/B6/B9 frequency
(Figure 4F)
1 38.99 ± 2.23 (10) 42.27 ± 1.81 (5) 5.82 ± 1.48 (5)
31 ± 11% (5)
2 14.79 ± 0.94 (6) 16.59 ± 1.02 (15)
3 27.85 ± 1.46 (6) 37.90 ± 1.43 (5)
4 30.40 ± 2.24 (6) 37.87 ± 1.03 (9)
5 9.12 ± 0.72 (11) 15.66 ± 1.04 (5)
B4/B5 frequency
(not plotted)
1 21.29 ± 1.59 (10) 17.57 ± 1.14 (5) 1.75 ± 1.41 (5)
17 ± 11% (4)
Shapiro–Wilk
W = 0.74, p = 0.025 (sig.)
Paired Wilcoxon signed-rank
W = 11, p = 0.22 (n.s.)
Cohen's d = 0.25
2 7.43 ± 1.62 (6) 9.27 ± 0.97 (15)
3 0 ± 0 (6) 3.44 ± 2.66 (5)
4 10.47 ± 1.24 (6) 13.81 ± 1.00 (9)
5 13.97 ± 0.49 (11) 17.85 ± 0.97 (5)

Data for B3/B6/B9 are plotted in Figure 4F (changes for other units were not significant). Units are in hertz, and values are reported as the mean ± SEM (sample size). sig., Significant test results; n.s., nonsignificant test results.