jaxley.channels.Na

class Na(name=None)

Bases: Channel

Sodium channel based on Sterratt, Graham, Gillies & Einevoll.

The following parameters are registered in channel_params:

Name	Default	Description	Unit
Na_gNa	0.12	Maximal sodium conductance.	S/cm²
Na_eNa	50.0	Sodium reversal potential.	mV
Na_tadj	1.0	Temperature adjustment factor (Q10 scaling).	1
temperature	37.0	Absolute temperature.	°C

The following dynamic gating variables are registered in channel_states:

Name	Initial value	Description	Unit
Na_m	0.2	Sodium activation gate.	1
Na_h	0.2	Sodium inactivation gate.	1

Parameters:

name (str | None)

channel_params = None

channel_states = None

current_name = None

update_states(states, params, voltage, delta_t)

Return updated HH channel state.

Parameters:

• states (dict[str, Array])

• params (dict[str, Array])

• voltage (Array)

• delta_t (float)

Return type:

dict[str, Array]

compute_current(states, params, voltage, delta_t)

Return current through HH channels.

Parameters:

• states (dict[str, Array])

• params (dict[str, Array])

• voltage (Array)

• delta_t (float)

Return type:

float

init_state(states, params, voltage, delta_t)

Initialize the state such at fixed point of gate dynamics.

Parameters:

• states (dict[str, Array])

• params (dict[str, Array])

• voltage (Array)

• delta_t (float)

Return type:

dict[str, float]

init_params(states, params, voltage, delta_t)

Initialize the maximal conductances given the temperature.

Parameters:

• states (dict[str, Array])

• params (dict[str, Array])

• voltage (Array)

• delta_t (float)

change_name(new_name)

Change the channel name.

Parameters:

new_name (str) – The new name of the channel.

Returns:

Renamed channel, such that this function is chainable.

property name: str | None

The name of the channel (by default, this is the class name).