04/12/2025
What is Borderline Personality Disorder (BPD), what causes it and can Autistic Adults have it?
What Is Borderline Personality Disorder and What Causes It?
Borderline Personality Disorder (BPD) is a mental health condition that affects how a person experiences and regulates their emotions, their sense of self, and their relationships. People with BPD may experience intense emotions, fear of abandonment, rapidly shifting moods, chronic feelings of emptiness, and difficulties understanding who they are.
Core features of BPD include:
- Intense, rapidly shifting emotions
- Fear of abandonment (real or perceived)
- Unstable or very intense relationships
- Chronic feelings of emptiness
- Impulsive behaviours (e.g., overspending, bingeing, risky choices)
- Self-harm or thoughts of ending life in some cases
- Frequent changes or uncertainty about identity
- Periods of anger that feel hard to control
- Feeling “unreal” or disconnected during stress
What causes BPD?
Research shows that BPD can often develop from a combination of:
-Growing up in environments where a person’s feelings were misunderstood, dismissed, or inconsistent
- Trauma, neglect, or unstable caregiving in childhood
- Biological and genetic factors, including inherited traits like emotional sensitivity or a naturally intense emotional response
These factors can interact over time, making it harder for someone to regulate emotions, cope with stress, or maintain stable relationships.
Can autistic adults have BPD?
Yes, autistic adults can also develop BPD. Research shows that autistic adults may be more vulnerable to BPD traits if they experience long-term misunderstanding, invalidation, or chronic stress related to sensory and social challenges. Some features of autism and BPD can overlap, which can make understanding and diagnosis more complex.
BPD is influenced by both genetics (biological vulnerability) and environment, with neither factor being sufficient by itself.
If you or someone you support is navigating intense emotions, relationship difficulties, or questions about diagnosis, professional support can help bring clarity.
Our clinicians specialise in neurodiversity-affirming assessments, therapy, and support. Reach out if you’d like guidance or a safe space to explore these experiences.
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We specialise in Adult Autism diagnosis and long term therapy. The Diagnosis is conducted over 2 sessions by one of our Autism (Neurodiversity) Specialist Psychologists. The diagnosis process consists of a Clinical Interview based on the diagnostic criteria of ASD Autism Spectrum Disorder as specifi...