Neuronal noise or neural noise refers to the random, intrinsic electrical fluctuations within neuronal networks. These fluctuations are not associated with encoding a response to internal or external stimuli and can be from one to two orders of magnitude. Most noise commonly occurs below a voltage-threshold that is needed for an action potential to occur, but sometimes it can be present in the form of an action potential; for example, stochastic oscillations in pacemaker neurons in suprachiasmatic nucleus are partially responsible for the organization of circadian rhythms.
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“We need to find God, and he cannot be found in noise and restlessness. God is the friend of silence. See how nature—trees, flowers, grass—grows in silence; see the stars, the moon and the sun, how they move in silence.... We need silence to be able to touch souls.”
—Mother Teresa (b. 1910)