TRIGGER 1 By N., Sam M.S. - 20 noun. 1. a stimulant which elicits a response. 2. verb. to operate as a trigger. TRIGGER 1: "The worsening of an existing disorder in the luteal phase of a woman's menstrual cycle can be credited to PME as a trigger." Related Psychology Terms PMDD: Can It Be Cured? Dissociative Identity Disorder CYCLOTHYMIC PERSONALITY (Cycloid Personality) AGNUS CASTUS EPILEPSY (Symptoms and Types) HABIT MENSTRUAL CYCLE PAVLOVIAN CONDITIONING SCHIZOPHRENIA (OTHER TYPES) EXOTIC PSYCHOSES Cite this page: N., Sam M.S., "TRIGGER 1," in PsychologyDictionary.org, April 29, 2013, https://psychologydictionary.org/trigger-1/ (accessed June 30, 2022).