Adolescence is marked by increased susceptibility to trauma-related disorders and substance and behavioral addictions (SBAs). Complex post-traumatic stress disorder (cPTSD) is a newly recognized condition characterized by specific features in addition to those of classic PTSD and is often associated with SBAs. This study adopted a psychopathology network approach to explore which post-traumatic symptoms were explicitly associated with SBAs in a sample of late adolescents. We hypothesized that cPTSD symptoms would be particularly relevant to explain the comorbidity between PTSD and SBAs. A sample of 1010 late adolescents provided measures of post-traumatic symptomatology, cannabis and alcohol abuse, problematic internet use, and gambling. We estimated the network structure of PTSD/cPTSD symptoms and SBAs and assessed their bridge centrality indices. The results suggest that the SBAs had the highest bridge connections with the cPTSD dimension of affective dysregulation, which reported the highest centrality indices. Problematic internet use was the most central cluster of addictive behaviors among SBAs. Therefore, adolescents struggling with affective dysregulation may look for alternative ways to suppress their intense emotions, and SBAs may be sought as a maladaptive coping mechanism. These findings should prompt further research on affective dysregulation as a therapeutic target among adolescents.

青春期的特点是对创伤相关疾病以及物质和行为成瘾（SBA）的易感性增加。复杂的创伤后应激障碍 (cPTSD) 是一种新近认识的疾病，除了经典的 PTSD 之外，还具有特定的特征，并且通常与 SBA 相关。本研究采用精神病理学网络方法来探讨青少年晚期样本中哪些创伤后症状与 SBA 明确相关。我们假设 cPTSD 症状与解释 PTSD 和 SBA 之间的共病特别相关。1010 名已故青少年的样本提供了创伤后症状、大麻和酒精滥用、互联网使用问题和赌博的测量结果。我们估计了 PTSD/cPTSD 症状和 SBA 的网络结构，并评估了它们的桥梁中心性指数。结果表明，SBA 与情感失调的 cPTSD 维度具有最高的桥梁联系，报告了最高的中心性指数。有问题的互联网使用是 SBA 中最核心的成瘾行为。因此，与情感失调作斗争的青少年可能会寻找其他方法来抑制他们的强烈情绪，而 SBA 可能会被视为一种适应不良的应对机制。这些发现应该促进对青少年情感失调作为治疗目标的进一步研究。