Exemplo n.º 1
0
#!/usr/bin/env python3

import numpy as np
import grid_generate

def izh(y,t):
    v = y[0];
    w = y[1];

    v_prime = 0.04*v**2 + 5*v + 140 - w + 10
    w_prime = 0.02 * (0.2*v - w)

    return [v_prime, w_prime]


grid_generate.generate(izh, 0.1, 0.001, 1e-4, 'izh', -30.0, -50.0, 2.0, -85.0, -10.0, -15.0, 20.0, 500, 500)
Exemplo n.º 2
0
        'w_min': 0.0,
        'w_max': 10.0,
        'N_w': 20,
    }

    v = y[0]
    w = y[1]

    v_prime = (-(v - param_dict['E_r']) - w *
               (v - param_dict['E_e'])) / param_dict['tau_m']
    w_prime = -w / param_dict['tau_s']

    return [v_prime, w_prime]


grid_generate.generate(cond,
                       1e-05,
                       1,
                       1e-12,
                       'cond',
                       -55.0e-3,
                       -65e-3,
                       0.0,
                       -67.0e-3,
                       -54.0e-3,
                       -0.2,
                       1.0,
                       100,
                       100,
                       efficacy_orientation='w')
Exemplo n.º 3
0
#!/usr/bin/env python3

import numpy as np
import grid_generate

def adEx(y,t):
    C = 281
    g_l = 30
    E_l = -70.6
    v_t = -50.4
    tau = 2.0
    alpha = 4.0
    tau_w = 144.0

    v = y[0];
    w = y[1];

    v_prime = (-g_l*(v - E_l) + g_l*tau*np.exp((v - v_t)/tau) - w) / C
    w_prime = (alpha*(v - E_l) - w) / tau_w

    return [v_prime, w_prime]

grid_generate.generate(adEx, 0.001, 0.001, 1e-12, 'adex', -50.4, -70.6, 80.5, -75, -45, -50, 400, 100, 100)
Exemplo n.º 4
0
    theta_h = -55
    #mV
    sig_h = 7
    #mV

    k = 0.79

    I = 0.0
    #
    I_h = 0
    #

    v = y[0]
    h = y[1]

    I_l = -g_l * (v - E_l)
    I_na = -g_na * (v - E_na) * h * (((1 + np.exp((v + 35) / -7.8))**-1)**3)
    I_k = -g_k * (v - E_k) * ((k - (1.06 * h))**4)

    v_prime = ((I_l + I_na + I_k) / C) + I
    h_prime = (((1 + (np.exp(
        (v - theta_h) / sig_h)))**(-1)) - h) / (30 / (np.exp(
            (v + 50) / 15) + np.exp(-(v + 50) / 16))) + I_h

    return [v_prime, h_prime]


#grid_generate.generate(rybakInterneuron, 0.001, 0.001, 1e-3, 'rybak_interneuron', 60.0, -64.0, 0.0, -90, 60, -0.4, 1.0,300, 300)
grid_generate.generate(rybak, 0.1, 0.001, 1e-3, 'rybak_burster', -30, -56,
                       -0.004, -120, -20, -0.4, 1.0, 400, 300)
Exemplo n.º 5
0
import grid_generate


def fn(y, t):
    param_dict = {
        'tau_m': 20e-3,
        'E_r': -65e-3,
        'E_e': 0e-3,
        'tau_s': 5e-3,
        'V_min': -66.0e-3,
        'V_max': -55.0e-3,
        'V_th': -55.0e-3,  #'V_max', # sometimes used in other scripts
        'N_V': 200,
        'w_min': 0.0,
        'w_max': 0.8,
        'N_w': 20,
        'I': 0,  #0.5 to match FN mesh
    }

    v = y[0]
    w = y[1]

    v_prime = v - v**3 / 3 - w + param_dict['I']
    w_prime = .08 * (v + .7 - .8 * w)

    return [v_prime, w_prime]


grid_generate.generate(fn, 0.1, 1e-03, 1e-12, 'fn', 2.5, -2.5, 0.0, -2.5, 2.5,
                       -1.0, 1.2, 500, 500)
Exemplo n.º 6
0
    V_l = -0.5;

    v_1 = 0.05;
    v_2 = 0.15;
    v_3 = 0;
    v_4 = 0.1;

    phi_d = 0.2;

    v = y[0];
    w = y[1];

    tau_v = 0.001;
    tau_w = 0.001;

    I_l = -g_l * (v - V_l);
    I_ca = -g_ca * (v - V_ca) * ((1/2)*(1 + (np.tanh((v - v_1)/v_2))));
    I_k = -g_k * w * (v - V_k);

    w_inf = ((1/2)*(1 + (np.tanh((v - v_3)/v_4))));
    tau_s = (1 / np.cosh((v - v_3)/(2*v_4)));

    v_prime = (I_l + I_ca + I_k)/tau_v;
    w_prime = (phi_d * (w_inf - w) / tau_s)/tau_w;

    return [v_prime, w_prime]


grid_generate.generate(BoothRinzelMNSoma, 0.0001, 1, 1e-8, 'soma', 0.98, -1.48, 0.0, -1.5, 1.0, -0.2, 1.2, 300, 300)
grid_generate.generate(BoothRinzelMNDendrite, 0.0001, 1, 1e-8, 'dendrite', 0.98, -1.48, 0.0, -1.5, 1.0, -0.2, 1.2, 300, 300)