POSITIVE AFTERPOTENTIAL By N., Sam M.S. - 51 a small, positive membrane potential reflected by a neuron or muscle cell while recovering from an ACI ion potential. The muscle or nerve is more arousable during the positive afterpotential. POSITIVE AFTERPOTENTIAL: "The positive afterpotential period is the optimal time to elicit a response." Related Psychology Terms ADOLESCENCE (Theories) HEARING NERVE CONDUCTION NEURON (Nerve Cell) Piaget’s Theory of Cognitive Development PRENATAL DEVELOPMENT ORAL CHARACTER DREAM-STATE (D-STATE, REM- STATE) REACTION TIME (Response Latency) SPECIFIC ENERGIES Cite this page: N., Sam M.S., "POSITIVE AFTERPOTENTIAL," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/positive-afterpotential/ (accessed June 25, 2022).