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hh_sample.py
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hh_sample.py
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from spine import HodgkinHuxley
import numpy as np
import matplotlib.pyplot as plt
if __name__ == '__main__':
# init experimental time and time-step
time = 100
dt = 0.01
# create Hodgkin-Huxley Neuron
neu = HodgkinHuxley(time, dt)
# Input data (sin curve)
input_data = np.sin(0.5 * np.arange(0, time, dt))
input_data = np.where(input_data > 0, 20, -5) + 10 * np.random.rand(int(time/dt))
input_data_2 = np.cos(0.3 * np.arange(0, time, dt) + 0.5)
input_data_2 = np.where(input_data_2 > 0, 10, 0)
input_data += input_data_2
# calc neuron status
v, m, n, h = neu.calc_v(input_data)
# plot
x = np.arange(0, time, dt)
plt.subplot(3, 1, 1)
plt.title('Hodgkin-Huxley Neuron model Simulation')
plt.plot(x, input_data)
plt.ylabel('I [μA/cm2]')
plt.subplot(3, 1, 2)
plt.plot(x, v)
plt.ylabel('V [mV]')
plt.subplot(3, 1, 3)
plt.plot(x, n, label='n')
plt.plot(x, m, label='m')
plt.plot(x, h, label='h')
plt.xlabel('time [ms]')
plt.ylabel('Conductance param')
plt.legend()
plt.show()