The Effects of Emotion Regulation on Non-suicidal Self-injurious

Non-suicidal self-injurious behaviours affect people's physical and mental health and are known to show a high incidence globally. Based on emotion regulation theory and the emotion cascade model, this study focused on the effects of four different emotion regulation strategies, namely cognitive reappraisal, expressive suppression, impulsivity, and rumination, on non-suicidal self-injurious behavior. Combined with magnetic resonance imaging, event-related potentials, and electrophysiological techniques, functional abnormalities in brain regions such as the amygdala, prefrontal cortex, and cingulate cortex, abnormalities in electroencephalographic indexes, and functional abnormalities in the autonomic nervous system are potential mechanisms by which emotion regulation affects NSSI. Future research should use objective measures, incorporate longitudinal studies, expand the study to clinical samples, and conduct culturally diverse studies.