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."
Cite this page: Nugent, Pam M.S., "EXCITABILITY," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/excitability/ (accessed November 20, 2017).