### Component: single_neuron_model

### Component: membrane

$dd time V =- i_NaP + i_Na + i_K + i_L + i_tonic_e + i_syn_e + i_app C $

### Component: fast_sodium_current

$ i_Na = g_Na \u2062 m_infinity 3.0 \u2062 1.0 - n \u2062 V - E_Na $

### Component: fast_sodium_current_m_gate

$ m_infinity = 1.0 1.0 +\u2147 V - theta_m sigma_m $

### Component: fast_sodium_current_n_gate

$dd time n = n_infinity - n tau_n n_infinity = 1.0 1.0 +\u2147 V - theta_n sigma_n tau_n = tau_n_max cosh\u2061 V - theta_n 2.0 \u2062 sigma_n $

### Component: potassium_current

$ i_K = g_K \u2062 n 4.0 \u2062 V - E_K $

### Component: potassium_current_n_gate

$dd time n = n_infinity - n tau_n n_infinity = 1.0 1.0 +\u2147 V - theta_n sigma_n tau_n = tau_n_max cosh\u2061 V - theta_n 2.0 \u2062 sigma_n $

### Component: persistent_sodium_current

$ i_NaP = g_NaP \u2062 m_infinity \u2062 h \u2062 V - E_Na $

### Component: persistent_sodium_current_m_gate

$ m_infinity = 1.0 1.0 +\u2147 V - theta_m sigma_m $

### Component: persistent_sodium_current_h_gate

$dd time h = h_infinity - h tau_h h_infinity = 1.0 1.0 +\u2147 V - theta_h sigma_h tau_h = tau_h_max cosh\u2061 V - theta_h 2.0 \u2062 sigma_h $

### Component: leakage_current

$ i_L = g_L \u2062 V - E_L $

### Component: tonic_current

$ i_tonic_e = g_tonic_e \u2062 V - E_syn_e $

### Component: synaptic_input

$i_syn_e=sum_g_syn_e_s\u2062V-E_syn_es_infinity=11+\u2147V-theta_ssigma_sddtimes=1-s\u2062s_infinity--kr\u2062stau_s$

### Component: synaptic_coupling

$sum_g_syn_e_s=g_syn_e_1_2\u2062s1+g_syn_e_1_3\u2062s1+g_syn_e_1_4\u2062s1+g_syn_e_1_5\u2062s1$