There are 3 glossary search results for: HyperpolarizationHyperpolarizationDefinition:Refers to a change in the value of the membrane potential, where the membrane potential becomes more negative than the resting membrane potential.Related glossary terms/phrases:DepolarizationRepolarizationSee also:Resting Membrane Potential - IntroductionFigure showing depolarization, repolarization, and hyperpolarizationHyperpolarizing afterpotentialDefinition:Refers to the hyperpolarization phase of the action potential.It is also referred to as undershoot.See figure.Related glossary terms/phrases:HyperpolarizationSee also:Important Features of the Neuronal Action PotentialUndershootDefinition:Refers to the hyperpolarization phase of the action potential.It is also referred to as hyperpolarizing afterpotential.See figure.Related glossary terms/phrases:HyperpolarizationSee also:Important Features of the Neuronal Action Potential