CONCLUSIONS: Our results showed a complete picture of the SC errors observed in this subgroup of BPD patients with ADHD symptomatology, with both overmentalization and undermentalization errors observed. The fact that this subgroup of BPD patients, related to neurodevelopmental disorders, showed different types of ToM errors reflects the complexity and heterogeneity that may characterize this subgroup of patients. This highlights the importance and effort of this work to improve the phenotyping…