Background:Numerous studies have demonstrated that early maladaptive schemas, emotional dysregulation are supposed to be the defining core of borderline personality disorder. Many studies have also found a strong association between the diagnosis of borderline personality and the occurrence of suicide ideation and dissociative symptoms.Objectives:The present study was designed to investigate the relationship between borderline personality features and schema, emotion regulation, dissociative experiences and suicidal ideation among high school students in Shiraz City, Iran.Patients and Methods:In this descriptive correlational study, 300 students (150 boys and 150 girls) were selected from the high schools in Shiraz, Iran, using the multi-stage random sampling. Data were collected using some instruments including borderline personality feature scale for children, young schema questionnaire-short form, difficulties in emotion-regulation scale (DERS), dissociative experience scale and beck suicide ideation scale. Data were analyzed using the Pearson correlation coefficient and multivariate regression analysis.Results:The results showed a significant positive correlation between schema, emotion regulation, dissociative experiences and suicide ideation with borderline personality features. Moreover, the results of multivariate regression analysis suggested that among the studied variables, schema was the most effective predicting variable of borderline features (P < 0.001).Conclusions:The findings of this study are in accordance with findings from previous studies, and generally show a meaningful association between schema, emotion regulation, dissociative experiences, and suicide ideation with borderline personality features.

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Background: Borderline Personality Disorder (BPD) characterized by emotion dysregulation, disturbed interpersonal relationship, unstable sense of self, affect and behavior, is a severe disorder with a reported suicide rate 50 times the general population. Objectives: The aim of this study was designing and testing a model for some antecedents and outcomes of borderline personality disorder. Patients and Methods:In this research child's attitude toward father and mother, early trauma, alexithymia, schema, dissociation experiences, and emotional regulation were considered as precedents of borderline personality disorder, along with associated outcomes including active addiction potential, passive addiction potential, suicide ideation and educational performance. The sample consisted of 300 high school students of Shiraz that selected via multistage random sampling. Data were collected by Borderline Personality Features Scale for Children, Early Trauma Inventory, Young's schema questionnaire-short form, Dissociative Experience Scale, Child's Attitude toward Father (CAF) and Mother (CAM) Scales, Toronto Alexithymia Scale, Difficulties in Emotion Regulation Scale (DERS), Iranian Addiction Potential Scale (IAPS), and Beck Suicide ideation Scale. Structural Equation Modeling (SEM) through AMOS 18 and SPSS 18 were used for data analysis. Results: Results suggested that model with some modification had good fit with the data. Also 2 out of 15 direct paths (the child's attitude toward father and child's attitude toward mother to emotional regulation) were not significant and thus omitted from the model. All the indirect hypotheses of model were confirmed. Conclusions: Alexithymia is correlated with all aspects of emotion dysregulation including impulsivity, negative affect, and difficulty in engaging goal-oriented behaviors and lack of skills for managing strong emotions. BPD or alexithymia patients have difficulties also in engaging cognitive reappraisal.

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