nerve accommodation

nerve accommodation

the ability of nerve tissue to adjust to a constant source and intensity of stimulation so that some change in either intensity or duration of the stimulus is necessary to elicit a response beyond the initial reaction. Accommodation is probably caused by reduced sodium ion permeability, which results in an increased threshold intensity and subsequent stabilization of the resting membrane potential.
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Each site was tested twice with 2 minutes interval as recovery time to eliminate the phenomenon of nerve accommodation.