Table 6.

MSN neuron model equations

Current	Equation	Gating variables		Parameters
Il	gl * (vStr−El)			gl = 0.1 El = −67
INa	gNa * m3 * h * (vStr−ENa)	${\alpha }_m=\frac{0.32\ast (54+v_{\mathit{Str}})}{1-e^{\frac{(-v_{\mathit{Str}}-54)}{4}}}$	${\alpha }_h=0.128\ast e^{\frac{(-v_{\mathit{Str}}-50)}{18}}$	gNa = 100 ENa = 50
		${\beta }_m=\frac{0.28\ast (27+v_{\mathit{Str}})}{-1+e^{\frac{(v_{\mathit{Str}}+27)}{5}}}$	${\beta }_h=\frac{4}{1+e^{\frac{(-v_{\mathit{Str}}-27)}{5}}}$
IK	gK * n4 * (vStr−EK)	${\alpha }_n=\frac{0.032\ast (52+v_{\mathit{Str}})}{1-e^{\frac{(-v_{\mathit{Str}}-52)}{5}}}$		gK = 80 EK = −100
		${\beta }_n=0.5\ast e^{\frac{(-v_{\mathit{Str}}-57)}{40}}$
Im	gm * p * (vStr−Em)	${\alpha }_p=\frac{3.209\ast {10}^{-4}\ast (30+v_{\mathit{Str}})}{1-e^{\frac{(-v_{\mathit{Str}}-30)}{9}}}$		Em = −100
		${\beta }_p=\frac{-3.209\ast {10}^{-4}\ast (30+v_{\mathit{Str}})}{1-e^{\frac{(v_{\mathit{Str}}+30)}{9}}}$
Igaba	ggaba * (vStr−Esyn) * S	$G_{\mathit{gaba}}=2\ast (1+\tanh \frac{v_{\mathit{Str}}}{4})$		Esyn = −80 ggaba = 0.1/N 4 Str → 1 Str (Indir) 3 Str → 1 Str (dir)
Icostr	gcostr * (vStr−Esyn) * S	$S=\overline{g_{\mathit{syn}}}\ast \frac{t-t_d}{\tau }\ast e^{-\frac{t-t_d}{\tau }}$		gcostr = 0.07 Esyn = 0 $\overline{g_{\mathit{syn}}}=0.43$ τ = 5 td = 5.1 1 CTX → 1 Str