Although autonomic dysfunction was not shown to be associated with emotional dysregulation in this systematic review of 12 studies, reduced vagal control at rest may be a transdiagnostic marker of emotional dysregulation among young people and a potential target for new treatment approaches.

Bellato, A., Sesso, G., Milone, A., Masi, G., & Cortese, S. (2023). Systematic Review and Meta-analysis: Altered Autonomic Functioning in Youths With Emotional Dysregulation. Journal of the American Academy of Child & Adolescent Psychiatry.