neurodynex.hodgkin_huxley package

Submodules

neurodynex.hodgkin_huxley.HH module

This file implements Hodgkin-Huxley (HH) model. You can inject a step current, sinusoidal current or ramp current into neuron using HH_Step(), HH_Sinus() or HH_Ramp() methods respectively.

Relevant book chapters:

neurodynex.hodgkin_huxley.HH.HH_Neuron(curr, simtime)[source]

Simple Hodgkin-Huxley neuron implemented in Brian2.

Parameters:
  • curr (TimedArray) – Input current injected into the HH neuron
  • simtime (float) – Simulation time [seconds]
Returns:

Brian2 StateMonitor with recorded fields [‘vm’, ‘I_e’, ‘m’, ‘n’, ‘h’]
Return type:

StateMonitor
neurodynex.hodgkin_huxley.HH.HH_Ramp(I_tstart=30, I_tend=270, I_amp=20.0, tend=300, dt=0.1, do_plot=True)[source]

Run the HH model for a sinusoidal current

Parameters:
  • tend (float, optional) – the simulation time of the model [ms]
  • I_tstart (float, optional) – start of current ramp [ms]
  • I_tend (float, optional) – end of the current ramp [ms]
  • I_amp (float, optional) – final amplitude of current ramp [uA]
  • do_plot (bool, optional) – plot the resulting simulation
Returns:

Brian2 StateMonitor with input current (I) and voltage (V) recorded
Return type:

StateMonitor
neurodynex.hodgkin_huxley.HH.HH_Sinus(I_freq=0.01, I_offset=0.5, I_amp=7.0, tend=600, dt=0.1, do_plot=True)[source]

Run the HH model for a sinusoidal current

Parameters:
  • tend (float, optional) – the simulation time of the model [ms]
  • I_freq (float, optional) – frequency of current sinusoidal [kHz]
  • I_offset (float, optional) – DC offset of current [nA]
  • I_amp (float, optional) – amplitude of sinusoidal [nA]
  • do_plot (bool, optional) – plot the resulting simulation
Returns:

Brian2 StateMonitor with input current (I) and voltage (V) recorded
Return type:

StateMonitor
neurodynex.hodgkin_huxley.HH.HH_Step(I_tstart=20, I_tend=180, I_amp=7, tend=200, do_plot=True)[source]

Run the Hodgkin-Huley neuron for a step current input.

Parameters:
  • I_tstart (float, optional) – start of current step [ms]
  • I_tend (float, optional) – start of end step [ms]
  • I_amp (float, optional) – amplitude of current step [uA]
  • tend (float, optional) – the simulation time of the model [ms]
  • do_plot (bool, optional) – plot the resulting simulation
Returns:

Brian2 StateMonitor with recorded fields [‘vm’, ‘I_e’, ‘m’, ‘n’, ‘h’]
Return type:

StateMonitor
neurodynex.hodgkin_huxley.HH.plot_data(rec, title=None)[source]

Plots a TimedArray for values I and v

Parameters:
  • rec (TimedArray) – the data to plot
  • title (string, optional) – plot title to display

Module contents