A change in electrical charge refers to a shift in the balance of positive and negative ions within a neuron, which triggers the neuron to generate an electrical impulse.
Related terms
Resting potential: The baseline electrical charge of a neuron when it is not actively transmitting signals.
Action potential: The rapid change in electrical charge that occurs when a neuron is firing.
Threshold: The minimum level of stimulation required for a neuron to generate an action potential.