Table 1. Membrane potentials of sympathetic ganglion neurons at rest and during depolarization with elevated [K⁺]_e in normal [Ca²⁺]_e and in the absence of extracellular Ca²⁺ (with 200 μM EGTA added to the bath solution).

Values are expressed as means ± SEM.

[K+]e, mM	2 mM [Ca2+]e, mV	0 mM [Ca2+]e, mV
5	-61.8 ± 4.4	-59.9 ± 3.1
40	-31.8 ± 1.4	-31.2 ± 0.7
60	-21.9 ± 0.9	-23.2 ± 0.9
80	-15.7 ± 0.5	-18.5 ± 0.8*
100	-11.5 ± 0.6	-14.2 ± 0.8*

*P<0.05 versus 2 mM [Ca²⁺]_e by paired t-test or Wilcoxon Signed Rank test.