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Longitudinal Trajectory of the Link Between Ventral Striatum and Depression in Adolescence
American Journal of Psychiatry ( IF 17.7 ) Pub Date : 2022-05-18 , DOI: 10.1176/appi.ajp.20081180
Pedro Mario Pan 1 , João R Sato 1 , Marie-Laure Paillère Martinot 1 , Jean-Luc Martinot 1 , Eric Artiges 1 , Jani Penttilä 1 , Yvonne Grimmer 1 , Betteke M van Noort 1 , Andreas Becker 1 , Tobias Banaschewski 1 , Arun L W Bokde 1 , Sylvane Desrivières 1 , Herta Flor 1 , Hugh Garavan 1 , Bernd Ittermann 1 , Frauke Nees 1 , Dimitri Papadopoulos Orfanos 1 , Luise Poustka 1 , Juliane H Fröhner 1 , Robert Whelan 1 , Gunter Schumann 1 , Margaret L Westwater 1 , Christian Grillon 1 , Hugo Cogo-Moreira 1 , Argyris Stringaris 1 , Monique Ernst 1 , 1
Affiliation  

Objective:

Research in adolescent depression has found aberrant intrinsic functional connectivity (iFC) among the ventral striatum (VS) and several brain regions implicated in reward processing. The present study probes this question by taking advantage of the availability of data from a large youth cohort, the IMAGEN Consortium.

Methods:

iFC data from 303 adolescents (48% of them female) were used to examine associations of VS connectivity at baseline (at age 14) with depressive disorders at baseline and at 2-year (N=250) and 4-year (N=219) follow-ups. Eleven regions of interest, key nodes of the reward system, were used to probe the reward network and calculate the connectivity strength of the VS within this network (VS connectivityrw). The main analyses assessed associations of VS connectivityrw with depressive disorders, anhedonia, and low mood using logistic regression. Autoregressive models accounting for carryover effects over time were conducted to further evaluate these brain-behavior associations.

Results:

Higher right VS connectivityrw was associated with higher probability of depressive disorders at baseline (odds ratio=2.65, 95% CI=1.40, 5.05). This finding was confirmed in the autoregressive model, adjusting for carryover effects of the depressive disorders across the three time points. VS connectivityrw was not predictive of depressive disorders at follow-up assessments. Longitudinal associations between VS connectivityrw and anhedonia emerged in the structural equation model: left VS connectivityrw was associated with anhedonia at 2 years (odds ratio=2.20, 95% CI=1.54, 3.14), and right VS connectivityrw was linked to anhedonia at 4 years (odds ratio=1.87, 95% CI=1.09, 3.21). VS connectivityrw did not predict low mood at any time point in the structural equation model.

Conclusions:

The connectivity strength of the VS within the reward network showed distinct patterns of association with depressive disorders and anhedonia from mid to late adolescence, suggesting that the role of this circuitry in depression changes with age. This study replicates, in an independent sample, the association between the VS and depression previously reported in younger adolescents. The findings suggest a role of VS connectivityrw in anhedonia but not in low mood.



中文翻译:

青春期腹侧纹状体与抑郁症之间联系的纵向轨迹

客观的:

对青少年抑郁症的研究发现腹侧纹状体 (VS) 和与奖励处理有关的几个大脑区域之间存在异常的内在功能连接 (iFC)。本研究利用来自大型青年群体 IMAGEN 联盟的可用数据来探讨这个问题。

方法:

来自 303 名青少年(其中 48% 为女性)的 iFC 数据用于检查基线(14 岁时)VS 连通性与基线、2 年(N=250)和 4 年(N=219)抑郁症的关联)跟进。十一个感兴趣的区域,即奖励系统的关键节点,用于探测奖励网络并计算该网络内 VS 的连接强度(VS 连接rw)。主要分析使用逻辑回归评估了 VS 连通性rw与抑郁症、快感缺乏和情绪低落的关联。进行了解释随时间推移的遗留效应的自回归模型,以进一步评估这些大脑行为关联。

结果:

较高的右侧 VS 连通性rw与基线时抑郁症的较高概率相关(比值比 = 2.65, 95% CI = 1.40, 5.05)。这一发现在自回归模型中得到了证实,该模型针对三个时间点的抑郁症的遗留效应进行了调整。VS 连通性rw不能预测后续评估中的抑郁症。VS 连通性rw和快感缺失之间的纵向关联出现在结构方程模型中:左侧 VS 连通性rw与 2 年时的快感缺失相关(比值比 = 2.20,95% CI = 1.54,3.14),右侧 VS 连通性rw与快感缺失相关4 年(比值比=1.87,95% CI=1.09,3.21)。VS 连通性rw没有预测结构方程模型中任何时间点的情绪低落。

结论:

奖励网络中 VS 的连接强度显示出与青春期中期到晚期的抑郁症和快感缺乏的不同关联模式,表明该回路在抑郁症中的作用随年龄而变化。这项研究在一个独立样本中重复了先前在年轻青少年中报告的 VS 与抑郁症之间的关联。研究结果表明 VS 连通性rw在快感缺乏中起作用,但在情绪低落时没有作用。

更新日期:2022-05-18
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