Motivation: 探讨青少年 NSSI 的发病机制，了解 GMV 、认知功能和自伤功能之间的关联。
Goal(s): 比较 NSSI 与健康青少年的 GMV 和认知功能，并分析它们与自伤功能的关系。
Approach: 收集病例，使用 MRI 扫描，并进行统计分析。
Results: NSSI 组认知功能较差，GMV 的变化与认知和自我伤害功能相关。
Impact: 为 NSSI 发病机制提供证据，促进临床干预和研究。
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