. 2014 Mar 19;34(12):4409–4417. doi: 10.1523/JNEUROSCI.3836-13.2014

Table 2.

Spontaneous AP properties

[HCO₃⁻]_o (mm)	0	0
[HCO₃⁻]_p (mm)	0	26	p value
Threshold (mV)^a	−29 ± 0.2	−31 ± 0.1	0.40
AP amplitude (mV)^a	49 ± 0.6	53 ± 0.4	0.12
Half-width (μs)	784 ± 55	768 ± 39	0.65
fAHP amplitude (mV)^a	8.8 ± 0.1	10.5 ± 0.1	0.02^*
mAHP area (mV · s)^a	−1.12 ± 0.01	−0.68 ± 0.01	<0.0001^*
n	11	11

Fast AP properties were not significantly affected by [HCO₃⁻]_p. However, the area of the mAHP was significantly enhanced in 0 mM [HCO₃⁻]_p. Values are mean ± SEM.

^aMeasured relative to AP threshold.

*Indicates statistical significance, two-way RM ANOVA.