Borderline personality disorder (BPD) is a severe psychiatric disorder first diagnosed in adolescence or emerging adulthood, which develops in part in the context of early attachment relationships. We tested a cross-sectional model linking caregiver disruptions during childhood, current parental attachment, and rejection sensitivity, to borderline features in 2,546 emerging adult college students. A structural equation model revealed that childhood caregiver disruptions were associated with lower quality adult parental attachment. Moreover, rejection sensitivity mediated the relationship between adult parental attachment and borderline features. Results suggest a representational model of others as rejecting links early disruptions in caregiving relationships and attachment insecurity, to borderline features in emerging adulthood. Implications for practice are discussed, including for means of targeting cognitive schemas related to rejection sensitivity, which could lead to reductions in BPD symptoms.
Keywords: adult parental attachment; borderline personality disorder; emerging adulthood; internalizing symptoms; rejection sensitivity.
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