The fact that a neuron fires an impulse of the same strength whenever its action potential is triggered is called

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The fact that a neuron fires an impulse of the same strength whenever its action potential is triggered is known as the all-or-none principle. This means that once the threshold for firing an action potential is reached, the neuron will fire the impulse with the same strength, regardless of the strength of the initial stimulus. It either fires or it doesn't - there's no in-between.

The Fact That a Neuron Fires an Impulse of the Same