What the study found
Adolescents with higher polyconnectomic scoring for major depressive disorder, a score based on large-scale brain connectivity patterns, showed greater stress-related emotional change over time. Perceived stress was also linked to higher anxiety and depressive symptoms, and these links were stronger in adolescents with higher neural vulnerability.
Why the authors say this matters
The authors conclude that neural vulnerability may moderate the emotional correlates of stress in youth. They also suggest the findings underscore the potential relevance of personalized interventions targeting stress regulation in young people with elevated vulnerability profiles.
What the researchers tested
The researchers followed a cohort of 407 adolescents over time and measured perceived stress, emotional symptoms, and cognitive function at baseline and follow-up. They used polyconnectomic scoring for major depressive disorder (PCS-MDD) to index neural vulnerability, and they also examined an independent cohort of 80 adolescents with clinically diagnosed depressive disorders to explore generalizability.
What worked and what didn't
At baseline, perceived stress was strongly associated with anxiety and depressive symptoms, and it was modestly associated with lower performance across multiple cognitive domains. Over time, increases in perceived stress were robustly associated with increases in anxiety and depressive symptoms. PCS-MDD significantly moderated the stress-emotion associations, and baseline PCS-MDD was also associated with follow-up anxiety and depressive symptoms. Exploratory analyses indicated that perceived stress was most strongly associated with depressive symptoms among adolescents with clinically diagnosed depressive disorders and higher PCS-MDD.
What to keep in mind
The summary does not describe specific limitations, so none can be stated here beyond the study's scope. The findings are reported for adolescents in the studied cohorts, including an exploratory analysis in a clinically diagnosed group.
Key points
- Higher PCS-MDD was linked to greater variability in stress-related emotional outcomes during adolescence.
- Perceived stress was associated with higher anxiety and depressive symptoms at baseline and over time.
- PCS-MDD moderated the relationship between perceived stress and later anxiety and depressive symptoms.
- Baseline PCS-MDD predicted follow-up anxiety and depressive symptoms.
- Perceived stress was most strongly associated with depressive symptoms in adolescents with diagnosed depressive disorders and higher PCS-MDD.
Disclosure
- Research title:
- Higher neural vulnerability amplified stress-related symptoms in adolescents
- Authors:
- Yuan Liu, Meijuan Li, Chengfeng Chen, Shiying Wang, Ying Gao, Yifan Jing, Yan Zhou, Mengxin Xie, Changlin Zhang, Zhongchun Liu, Bin Zhang, Jie Li
- Institutions:
- Guangzhou Medical University, Renmin Hospital of Wuhan University, Renmin Hospital of Wuhan University, Tianjin Anding Hospital, Tianjin Anding Hospital, Tianjin Anding Hospital, Tianjin Anding Hospital, Tianjin Anding Hospital, Tianjin Anding Hospital, Tianjin Anding Hospital, Tianjin Anding Hospital, Tianjin Anding Hospital, Tianjin Anding Hospital, Wuhan University, Wuhan University
- Publication date:
- 2026-02-24
- OpenAlex record:
- View
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