The all-or-none law is the principle that states, once the threshold has been crossed, the action potential either fires or it does not. there is no half measure.
The all-or-none law: It is a principle which states that the strength of a response of a muscle fiber or nerve cell is not dependent on the stimulus strength. If the stimulus is above the certain threshold, a muscle fiber or nerve will fire.
Essentially, there will be either a full response or no response for an individual muscle fiber or neuron. Therefore action potential is essentially a full response.
There is no thing as a strong or weak action potential. Instead, it is always All-or-nothing process.
This will minimize the possibility of information that will be lost in the way.
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