大型抑郁症患者的左脑皮层复杂性:小样本试点研究
Jian Liu1, Xinying Chen1, Chuanxin Liu2
1Department of Psychiatry, Tianjin Anding Hospital, Tianjin Mental Health Center, Tianjin, China.
Psychiatry and clinical psychopharmacology
|May 20, 2024
概括
第一个情节,无药性严重抑郁症 (MDD) 显示大脑皮层复杂性 (CCC) 发生变化,特别是在左半球. 这些微妙的新皮层变化可能表明MDD患者的早期脑异常.
科学领域:
- 神经科学是一个神经科学.
- 精神病学是一个精神病学.
- 医疗成像医学成像
背景情况:
- 重度抑郁症 (MDD) 是一种普遍存在的心理健康状况.
- 早期,未使用药物的MDD可能会表现出不同的神经生物学标志物.
- 大脑皮层复杂性 (CCC) 是皮层折叠和表面不规则性的度量.
研究的目的:
- 在患有首发性无药性重度抑郁症 (MDD) 患者中调查大脑皮层复杂性 (CCC).
- 使用基于源的形态学 (SBM) 分析旋转指数 (GI) 和碎形维度 (FD) 的变化.
- 为了将CCC变化与抑郁症症状严重程度相关联.
主要方法:
- 分析了14名第一发,未经药物治疗的MDD患者和健康对照 (HCs).
- 基于源的形态测量 (SBM) 用于通过化指数 (GI) 和碎形维度 (FD) 来评估CCC.
- 汉密尔顿抑郁量表 (HAMD-17) 评估了抑郁症的严重程度.
主要成果:
- 与HC患者相比,MDD患者的左侧中央后囊中观察到GI增加.
- 在左角,舌头,上和岛屿皮层中发现了消化道的减少.
- 在上额前和左上时环中观察到FD变化,观察到增加和减少.
结论:
- 在第一期,未服用药物的MDD患者中观察到左半球CCC变化的趋势.
- 研究结果表明,在MDD早期阶段,有微妙的新皮层异常.
- 虽然在FWE校正后没有统计学意义,但结果表明潜在的早期神经生物学变化.
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