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Age‐Related Differences of Cortical Topology Across the Adult Lifespan: Evidence From a Multisite MRI Study With 1427 Individuals

Wang, Yin ; Zhang, Yinghui ; Zheng, Weihao ; Liu, Xia ; Zhao, Ziyang ; Li, Shan ; Chen, Nan ; Yang, Lin ; Fang, Lei ; Yao, Zhijun ; Hu, Bin

Journal of magnetic resonance imaging, 2023-02, Vol.57 (2), p.434-443 [Periódico revisado por pares]

Hoboken, USA: John Wiley & Sons, Inc

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Título:
Age‐Related Differences of Cortical Topology Across the Adult Lifespan: Evidence From a Multisite MRI Study With 1427 Individuals
Autor: Wang, Yin ; Zhang, Yinghui ; Zheng, Weihao ; Liu, Xia ; Zhao, Ziyang ; Li, Shan ; Chen, Nan ; Yang, Lin ; Fang, Lei ; Yao, Zhijun ; Hu, Bin
Assuntos: Adult ; Age ; Aged ; Aging ; Brain ; Brain - anatomy & histology ; Brain - diagnostic imaging ; Brain architecture ; Brain Mapping - methods ; Clustering ; Cognitive ability ; Computer architecture ; Data processing ; Divergence ; Female ; Field strength ; hub ; Hubs ; Humans ; Information processing ; Life span ; Longevity ; Magnetic resonance imaging ; Magnetic Resonance Imaging - methods ; Male ; Mathematical analysis ; Middle Aged ; module ; morphological brain network ; Morphology ; Network topologies ; Population studies ; Prospective Studies ; Reconfiguration ; Similarity ; Statistical analysis ; Statistical tests ; topological analysis ; Topology ; Transmission efficiency
É parte de: Journal of magnetic resonance imaging, 2023-02, Vol.57 (2), p.434-443
Notas: Yin Wang and Yinghui Zhang contributed equally to this work.
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Descrição: Background Healthy aging is usually accompanied by alterations in brain network architecture, influencing information processing and cognitive performance. However, age‐associated coordination patterns of morphological networks and cognitive variation are not well understood. Purpose To investigate the age‐related differences of cortical topology in morphological brain networks from multiple perspectives. Study Type Prospective, observational multisite study. Population A total of 1427 healthy participants (59.1% female, 51.75 ± 19.82 years old) from public datasets. Field Strength/Sequence 1.5 T/3 T, T1‐weighted magnetization prepared rapid gradient echo (MP‐RAGE) sequence. Assessment The multimodal parcellation atlas was used to define regions of interest (ROIs). The Jensen‐Shannon divergence‐based individual morphological networks were constructed by estimating the interregional similarity of cortical thickness distribution. Graph‐theory based global network properties were then calculated, followed by ROI analysis (including global/nodal topological analysis and hub analysis) with statistical tests. Statistical Tests Chi‐square test, Jensen–Shannon divergence‐based similarity measurement, general linear model with false discovery rate correction. Significance was set at P < 0.05. Results The clustering coefficient (q = 0.016), global efficiency (q = 0.007), and small‐worldness (q = 0.006) were significantly negatively quadratic correlated with age. The group‐level hubs of seven age groups were found mainly distributed in default mode network, visual network, salient network, and somatosensory motor network (the sum of these hubs' distribution in each group exceeds 55%). Further ROI‐wise analysis showed significant nodal trajectories of intramodular connectivities. Data Conclusion These results demonstrated the age‐associated reconfiguration of morphological networks. Specifically, network segregation/integration had an inverted U‐shaped relationship with age, which indicated age‐related differences in transmission efficiency. Evidence Level 2 Technical Efficacy Stage 1
Editor: Hoboken, USA: John Wiley & Sons, Inc
Idioma: Inglês

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Age‐Related Differences of Cortical Topology Across the Adult Lifespan: Evidence From a Multisite MRI Study With 1427 Individuals

Wang, Yin ; Zhang, Yinghui ; Zheng, Weihao ; Liu, Xia ; Zhao, Ziyang ; Li, Shan ; Chen, Nan ; Yang, Lin ; Fang, Lei ; Yao, Zhijun ; Hu, Bin

Hoboken, USA: John Wiley & Sons, Inc

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