Table 3

Statistical details for changes in burst duration under unloaded and loaded swallowing conditions

Measure
(Figure)
AnimalUnloadedLoadedDifferenceStatistical test results
B38 duration
(Figure 4A)
11.44 ± 0.19 (10)1.72 ± 0.13 (5)0.11 ± 0.14 (5)
12 ± 14% (5)
Protraction phase durations
Hotelling’s T2
T2 = 4.751, F(2,3) = 1.781,
p = 0.309 (n.s.)
Post hoc tests not conducted
21.92 ± 0.32 (6)1.81 ± 0.13 (15)
30.50 ± 0.24 (6)0.49 ± 0.37 (5)
40.94 ± 0.19 (6)1.51 ± 0.15 (9)
51.45 ± 0.31 (11)1.24 ± 0.37 (5)
I2 duration
(Figure 4B)
11.46 ± 0.10 (10)1.12 ± 0.10 (5)−0.28 ± 0.13 (5)
−18 ± 8% (5)
21.63 ± 0.15 (6)1.83 ± 0.21 (15)
31.61 ± 0.03 (6)1.36 ± 0.26 (5)
41.58 ± 0.19 (6)1.16 ± 0.06 (9)
51.68 ± 0.13 (11)1.12 ± 0.18 (5)
B8a/b duration
(Figure 4C)
13.13 ± 0.22 (10)3.99 ± 0.17 (5)0.95 ± 0.21 (5)
32 ± 8% (5)
Retraction phase durations
Hotelling’s T2
T2 = 59.100, F(2,3) = 22.163,
p = 0.016 (sig.)
Post hoc test: B8a/b duration
Shapiro–Wilk
W = 0.99, p = 0.97 (n.s.)
Paired t test
t(4) = 4.544, p = 0.005 (sig.)
Cohen's d = 3.13
Post hoc test: B3/B6/B9 duration
Shapiro–Wilk
W = 0.97, p = 0.86 (n.s.)
Paired t test
t(4) = 6.081, p = 0.002 (sig.)
Cohen's d = 5.16
23.58 ± 0.22 (6)4.31 ± 0.15 (15)
32.73 ± 0.19 (6)4.31 ± 0.40 (5)
42.86 ± 0.11 (6)4.07 ± 0.22 (9)
53.34 ± 0.24 (11)3.70 ± 0.51 (5)
B3/B6/B9 duration
(Figure 4D)
11.87 ± 0.20 (10)2.77 ± 0.16 (5)1.12 ± 0.18 (5)
69 ± 16% (5)
21.66 ± 0.25 (6)2.71 ± 0.11 (15)
31.38 ± 0.10 (6)3.14 ± 0.26 (5)
41.72 ± 0.09 (6)2.98 ± 0.11 (9)
52.01 ± 0.22 (11)2.67 ± 0.52 (5)
B4/B5 duration
(Figure 4E)
11.58 ± 0.33 (10)1.84 ± 0.26 (5)0.78 ± 0.21 (5)
41 ± 15% (4)
Shapiro–Wilk
W = 0.96, p = 0.82 (n.s.)
Paired t test
t(4) = 3.714, p = 0.010 (sig.)
Cohen's d = 0.70
22.07 ± 0.47 (6)3.09 ± 0.33 (15)
30 ± 0 (6)0.65 ± 0.41 (5)
41.79 ± 0.37 (6)3.25 ± 0.36 (9)
52.85 ± 0.20 (11)3.36 ± 0.43 (5)
  • Data are plotted in Figure 4A–E. Units are in seconds, and values are reported as mean ± SEM (sample size). sig., Significant test results; n.s., nonsignificant test results.