ADHD Experts Podcast 446- Borderline Personality Disorder & Its Connection to ADHD
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Mar 17, 2023 
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Different Emotion Dynamics And Brain Mechanisms
- Emotional dysregulation differs: BPD moods can be internally driven and pervasive, while ADHD reactions are usually triggered by external events.
- Neurobiologically, ADHD shows delayed anterior cingulate regulation of the amygdala, producing brief but damaging emotion spikes.
Neurobiology Explains Relational Instability
- BPD brains show dopaminergic dysfunction, low oxytocin, impulsivity, attention and memory deficits, and poor emotional processing.
- These neural patterns help explain severe relational instability seen in BPD.
Significant Comorbidity And Developmental Links
- Research finds substantial comorbidity: several studies report 16–40% of BPD samples also meet ADHD criteria.
- ADHD appears to increase risk for later BPD in some studies, suggesting developmental links for some individuals.