Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
Department of Psychology, Center for Children and Families, Florida International University, Miami, FL, USA.
Neuroimage Clin. 2021;32:102810. doi: 10.1016/j.nicl.2021.102810. Epub 2021 Sep 1.
Etiological models highlight reduced punishment sensitivity as a core risk factor for disruptive behavior disorders (DBD) and callous-unemotional (CU) traits. The current study examined neural sensitivity to the anticipation and receipt of loss, one key aspect of punishment sensitivity, among youth with DBD, comparing those with and without CU traits. Data were obtained from the Adolescent Brain and Cognitive Development (ABCD) Study (N = 11,874; Mage = 9.51; 48% female). Loss-related fMRI activity during the monetary incentive delay task was examined across 16 empirically-derived a priori brain regions (e.g., striatum, amygdala, insula, anterior cingulate cortex, medial prefrontal cortex) and compared across the following groups: (1) typically developing (n = 693); (2) DBD (n = 995), subdivided into those (3) with CU traits (DBD + CU, n = 198), and (4) without CU traits (DBD-only, n = 276). Latent variable modeling was also employed to examine network-level activity. There were no significant between-group differences in brain activity to loss anticipation or receipt. Null findings were confirmed with and without covariates, using alternative grouping approaches, and in dimensional models. Network-level analyses also demonstrated comparable activity across groups during loss anticipation and receipt. Findings suggest that differences in punishment sensitivity among youth with DBD are unrelated to loss anticipation or receipt. More precise characterizations of other aspects punishment sensitivity are needed to understand risk for DBD and CU traits.
病因模型强调惩罚敏感性降低是破坏性行为障碍 (DBD) 和冷酷无情 (CU) 特征的核心风险因素。本研究通过比较 DBD 青少年中具有和不具有 CU 特征的个体,检验了对预期和接受损失的神经敏感性,损失是惩罚敏感性的一个关键方面。数据来自青少年大脑与认知发展研究 (ABCD 研究) (N=11874;Mage=9.51;48%为女性)。使用 16 个经验性预先确定的大脑区域(例如纹状体、杏仁核、脑岛、前扣带回皮层、内侧前额叶皮层)来检查金钱奖励延迟任务期间与损失相关的 fMRI 活动,并对以下群体进行了比较:(1) 正常发育(n=693);(2) DBD(n=995),分为具有 CU 特征的个体(DBD+CU,n=198)和(3)不具有 CU 特征的个体(DBD 仅有,n=276)。还采用潜在变量建模来检查网络水平的活动。在对损失预期或接受的大脑活动方面,各组之间没有显著差异。在有无协变量、使用替代分组方法以及在维度模型中,都证实了零发现。网络水平的分析也表明,在损失预期和接受期间,各组之间的活动相似。研究结果表明,DBD 青少年之间的惩罚敏感性差异与损失预期或接受无关。需要更精确地描述惩罚敏感性的其他方面,以了解 DBD 和 CU 特征的风险。