refers to any stimulus or occurrence that evokes avoidance behavior or escape behavior in an individual. Also known as an aversive event. See also avoidance conditioning.

AVERSIVE STIMULUS: "The spider was an aversive stimulus for an individual because he or she was afraid of insects."
Cite this page: N., Pam M.S., "AVERSIVE STIMULUS," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/aversive-stimulus/ (accessed September 28, 2021).