Table 2.

Opening and closing rates of gating variables (Kager et al., 2000)

Term	Expression	Description
αm	$\frac{0.32\left(V+52\mathrm{mV}\right)\mathrm{kHz}/\text{mV}}{1-\exp \left(-\frac{V+52\mathrm{mV}}{4\mathrm{mV}}\right)}$	Opening rate transient Na+ activation gate
βm	$\frac{0.28\left(V+25\mathrm{mV}\right)\mathrm{kHz}/\text{mV}}{\exp \left(\frac{V+25\mathrm{mV}}{5\mathrm{mV}}\right)-1}$	Closing rate transient Na+ activation gate
αh	$0.128\exp \left(-\frac{V+53\mathrm{mV}}{18\mathrm{mV}}\right)\mathrm{kHz}$	Opening rate transient Na+ inactivation gate
βh	$\frac{4\mathrm{kHz}}{1-\exp \left(-\frac{V+30\mathrm{mV}}{5\mathrm{mV}}\right)}$	Closing rate transient Na+ inactivation gate
αn	$\frac{0.016\left(V+35\mathrm{mV}\right)\mathrm{kHz}/\text{mV}}{1-\exp \left(-\frac{V+35\mathrm{mV}}{5\mathrm{mV}}\right)}$	Opening rate delayed rectifier K+ activation gate
βn	$0.25\exp \left(-\frac{V+50\mathrm{mV}}{40\mathrm{mV}}\right)\mathrm{kHz}$	Closing rate delayed rectifier K+ activation gate