Age-associated alterations in thalamocortical structural connectivity in youths with a psychosis-spectrum disorder.

Age-associated alterations in thalamocortical structural connectivity in youths with a psychosis-spectrum disorder.
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DOI:
10.1038/s41537-023-00411-7
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发表时间:
2023-12-11
期刊:
SCHIZOPHRENIA
影响因子:
--
通讯作者:
Jalbrzikowski, Maria
Jalbrzikowski, Maria
中科院分区:
其他
文献类型:
--
作者:
Lewis, Lydia;Corcoran, Mary;Cho, Kang Ik K.;Kwak, YooBin;Hayes, Rebecca A.;Larsen, Bart;Jalbrzikowski, Maria

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精神病症状通常出现在青春期。精神病中与年龄相关的丘脑皮质连通性差异尚不清楚。我们分析了来自费城神经发育队列的1254名8-23岁参与者(典型发育(TD):N = 626,精神病谱(PS): N = 329,其他精神病理(OP): N = 299)的弥散加权成像数据。我们使用确定性纤维束成像技术对丘脑皮质束进行建模,提取q空间差分形态重建(QSDR)和弥散张量成像(DTI)测量,然后使用广义加性模型确定与组和年龄相关的丘脑皮质连通性差异。与其他组相比,PS组在QSDR整体分数各向异性(GFA, p值范围= 3.0 × 10-4-0.05)和DTI分数各向异性(FA, p值范围= 4.2 × 10-4-0.03)方面表现出丘脑皮质的降低。与TD相比,PS在儿童中期表现出较浅的丘脑-前额叶GFA和FA的年龄相关增长,但在青春期表现出较陡的年龄相关增长。TD和OP在青春期表现出丘脑-额叶平均扩散率和径向扩散率的下降;PS没有。在成人精神病患者中观察到的丘脑皮质连通性的发育轨迹的改变可能会导致紊乱。
Psychotic symptoms typically emerge in adolescence. Age-associated thalamocortical connectivity differences in psychosis remain unclear. We analyzed diffusion-weighted imaging data from 1254 participants 8–23 years old (typically developing (TD):N = 626, psychosis-spectrum (PS): N = 329, other psychopathology (OP): N = 299) from the Philadelphia Neurodevelopmental Cohort. We modeled thalamocortical tracts using deterministic fiber tractography, extracted Q-Space Diffeomorphic Reconstruction (QSDR) and diffusion tensor imaging (DTI) measures, and then used generalized additive models to determine group and age-associated thalamocortical connectivity differences. Compared to other groups, PS exhibited thalamocortical reductions in QSDR global fractional anisotropy (GFA, p-values range = 3.0 × 10–6–0.05) and DTI fractional anisotropy (FA, p-values range = 4.2 × 10–4–0.03). Compared to TD, PS exhibited shallower thalamus-prefrontal age-associated increases in GFA and FA during mid-childhood, but steeper age-associated increases during adolescence. TD and OP exhibited decreases in thalamus-frontal mean and radial diffusivities during adolescence; PS did not. Altered developmental trajectories of thalamocortical connectivity may contribute to the disruptions observed in adults with psychosis.
健康儿童的丘脑皮质连通性:8至17岁之间的不对称和稳健的发育变化。
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