EXCITABILITY By Nugent, Pam M.S. - April 7, 2013 1. The way some people are aroused to emotional responses. 2. property of a neuron reacting to stimulation. See action potential. EXCITABILITY: "Joe exhibited excitability emotions before he met he met his new nieces and nephews." Related Psychology Terms NEUROTRANSMISSION NEUROTRANSMITTER DEPOLARIZATION POSTTETANIC POTENTIATION (PTP) PHASE LOCKING EXCITATORY-INHIBITORY PROCESSES TRIGGER ZONE NERVE IMPULSE SPIKE-WAVE ACTIVITY NEUROMUSCULAR JUNCTION Cite this page: Nugent, Pam M.S., "EXCITABILITY," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/excitability/ (accessed June 28, 2017).