“…The mental disorder “twisties” have not been mentioned in the medical literature ( Casiglia and Tikhonoff, 2021 ), and so does the scant discussion on the depersonalization-derealization symptom (DDS), which is under-researched ( Michal et al., 2016 ). Therefore, through the theoretical dialogue on the symptom of twisties, this study helps promote the development of the research of “twisties.” Using the IPO model via triangulation testing purpose, this study categorized the literature to explore input variables causing athletes' twisties and identified process variables in psychological mechanisms bridging suppression, and finally discussed the existing possible ways in helping athletes to solve problems caused by twisties.…”