The provided code models a leak current in a neuron, which is a component of the neuron's passive properties. Leak currents play a critical role in setting the resting membrane potential and overall excitability of neurons.
Leak Channels
Ion Movement and Resting Potential
eleak
), which is set to -55mV. This value represents the weighted average of the equilibrium potentials of all ions that contribute to the leak current.ileak
) arises due to the movement of ions across the membrane following their electrochemical gradients.Ohm's Law
ileak
) is the product of the conductance (gleakbar
) and the voltage difference between the membrane potential (v
) and the reversal potential (eleak
).Stability of Membrane Potential:
Neuronal Excitability:
Temporal Dynamics:
This model captures the essence of the passive leak current found in neurons, highlighting its role in setting the resting potential and impacting neuronal dynamics by representing the constant, non-specific flow of ions across the membrane under resting conditions. This simplification is a crucial underpinning in computational neuroscience for simulating how neurons integrate and transmit signals.