Table 3.

Calculation of FI_X = X₂/X₁ for S, P, and A at the MOC–OHC synapse, during postnatal development

ISIs	P11–P13 (n = 6–7)			P20–P22 (n = 5–6)
ISIs	FI_S = S₂/S₁	FI_P = P₂/P₁	FI_A = A₂/A₁	FI_S = S₂/S₁	FI_P = P₂/P₁	FI_A = A₂/A₁
100 ms (10 Hz)	1.13 ± 0.16	0.97 ± 0.09	1.11 ± 0.06	0.83 ± 0.11	0.92 ± 0.10	0.89 ± 0.04
50 ms (20 Hz)	0.98 ± 0.15	1.06 ± 0.16	0.92 ± 0.02	0.72 ± 0.08	0.85 ± 0.08	0.84 ± 0.04
25 ms (40 Hz)	1.80 ± 0.20^*	1.58 ± 0.13^*	1.12 ± 0.05	0.84 ± 0.17	0.76 ± 0.08	0.96 ± 0.13
12.5 ms (80 Hz)	2.66 ± 0.24^**	2.54 ± 0.19^**	1.07 ± 0.04	1.20 ± 0.18	1.08 ± 0.13	1.11 ± 0.11

Paired t test or Wilcoxon rank sum test,
↵*p < 0.05;
↵**p < 0.01.