Jaume, Luis CarlosRoca, Marcelo AgustínDuhalde, Nahuel Hugo EzequielSimkin, HugoLiébana Puado, SaraAltungy, Pedro2026-04-302026-04-302026Jaume, L. C., Roca, M. A., Duhalde, N. H. E., Simkin, H., Liebana, S., & Labrador, P. A. (2026). Understanding extremist personality: The mediating influence of Regulatory Modes and the need for cognitive closure in the Quest for Significance. Frontiers in Social Psychology, 4, 1715876. https://doi.org/10.3389/frsps.2026.17158762813-7876https://hdl.handle.net/11268/17059Understanding the psychological mechanisms underlying extremist personality helps explain why some individuals endorse rigid or polarized positions. Extremist personality is conceptualized as a self-regulatory tendency characterized by motivational imbalance, cognitive inflexibility, and strong commitment to salient goals. This study examines how the quest for significance, regulatory modes (Locomotion and Assessment), and the need for cognitive closure relate to extremist personality.engAttribution 4.0 Internationalhttp://creativecommons.org/licenses/by/4.0/PsicologíaExtremismoFlexibilidad cognitivaEvaluación psicológicajournal article10.3389/frsps.2026.1715876open accessExtremismoPsicologíaInvestigación médicaGoal 3: Ensure healthy lives and promote well-being for all at all agesGoal 16: Promote just, peaceful and inclusive societies