Dissociative experiences often happen when someone is exposed to a traumatic event. When someone experiences trauma, they may be overwhelmed by stress and detach, in some way, from their experience, emotions, and/or body. People who have experienced acute trauma often describe dissociating from their bodies and watching something happen to themselves.

For adolescents with BPD, early intervention and timely treatment are crucial to prevent long-term harm such as other mental health conditions or problems in school and social life. But research on adolescent treatment for BPD is still relatively limited and many established treatments for adults haven’t been studied among young people with the disorder.

Perfectionism – and particularly socially-prescribed perfectionism – is a common characteristic of young people with BPD and associated with a range of borderline personality traits.

Young people with borderline personality disorder often experience episodes of paranoia and feelings of suspicion towards other people. These experiences can cause distress and affect

Many clinicians are still reluctant to diagnose BPD in adolescents before they are 18. Stigma and misconceptions surrounding personality disorders cause clinicians to avoid the diagnosis, despite strong evidence that many young people show stable and persistent BPD symptoms. Instead, young people may be diagnosed with anxiety disorders, mood disorders, or psychotic disorders. 

While borderline personality disorder is most often diagnosed during late adolescence, BPD doesn’t just suddenly develop. Instead, scientists think that interactions of certain biological features – particularly impulsivity and emotional sensitivity – with childhood experiences like social invalidation and trauma lead to the development of BPD.