All-or-none Law (Noun)
Meaning
(neurophysiology) a nerve impulse resulting from a weak stimulus is just as strong as a nerve impulse resulting from a strong stimulus.
Classification
Nouns denoting cognitive processes and contents.
Examples
- The all-or-none law states that a neuron will fire with the same intensity regardless of the strength of the stimulus, as long as the threshold is reached.
- In neurophysiology, the all-or-none law explains why a weak stimulus can produce the same response as a strong stimulus, as long as the threshold potential is met.
- The all-or-none law is a fundamental principle in understanding how neurons transmit signals, and it has important implications for our understanding of nervous system function.
- According to the all-or-none law, the amplitude of a nerve impulse is not proportional to the intensity of the stimulus, but rather is a fixed response that occurs when the threshold is reached.
- The all-or-none law helps to explain why some people may experience a full-blown pain response to a minor stimulus, while others may not respond at all to a stronger stimulus.