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| Hauptseite > Publikationsdatenbank > Tractography density affects whole-brain structural architecture and resting-state dynamical modeling > print |
| Hauptseite > Publikationsdatenbank > Tractography density affects whole-brain structural architecture and resting-state dynamical modeling > print |
| 001 | 892609 | ||
| 005 | 20220930130317.0 | ||
| 024 | 7 | _ | |a 10.1016/j.neuroimage.2021.118176 |2 doi |
| 024 | 7 | _ | |a 1053-8119 |2 ISSN |
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| 100 | 1 | _ | |a Jung, Kyesam |0 P:(DE-Juel1)178611 |b 0 |u fzj |
| 245 | _ | _ | |a Tractography density affects whole-brain structural architecture and resting-state dynamical modeling |
| 260 | _ | _ | |a Orlando, Fla. |c 2021 |b Academic Press |
| 336 | 7 | _ | |a article |2 DRIVER |
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| 336 | 7 | _ | |a Journal Article |0 0 |2 EndNote |
| 520 | _ | _ | |a Dynamical modeling of the resting-state brain dynamics essentially relies on the empirical neuroimaging data utilized for the model derivation and validation. There is however still no standardized data processing for magnetic resonance imaging pipelines and the structural and functional connectomes involved in the models. In this study, we thus address how the parameters of diffusion-weighted data processing for structural connectivity (SC) can influence the validation results of the whole-brain mathematical models informed by SC. For this, we introduce a set of simulation conditions including the varying number of total streamlines of the whole-brain tractography (WBT) used for extraction of SC, cortical parcellations based on functional and anatomical brain properties and distinct model fitting modalities. The main objective of this study is to explore how the quality of the model validation can vary across the considered simulation conditions. We observed that the graph-theoretical network properties of structural connectome can be affected by varying tractography density and strongly relate to the model performance. We also found that the optimal number of the total streamlines of WBT can vary for different brain atlases. Consequently, we suggest a way how to improve the model performance based on the network properties and the optimal parameter configurations from multiple WBT conditions. Furthermore, the population of subjects can be stratified into subgroups with divergent behaviors induced by the varying WBT density such that different recommendations can be made with respect to the data processing for individual subjects and brain parcellations. |
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| 700 | 1 | _ | |a Eickhoff, Simon B. |0 P:(DE-Juel1)131678 |b 1 |u fzj |
| 700 | 1 | _ | |a Popovych, Oleksandr V. |0 P:(DE-Juel1)131880 |b 2 |e Corresponding author |u fzj |
| 773 | _ | _ | |a 10.1016/j.neuroimage.2021.118176 |g p. 118176 - |0 PERI:(DE-600)1471418-8 |p 118176 - |t NeuroImage |v 237 |y 2021 |x 1053-8119 |
| 856 | 4 | _ | |u https://juser.fz-juelich.de/record/892609/files/Invoice_OAD0000120196.pdf |
| 856 | 4 | _ | |u https://juser.fz-juelich.de/record/892609/files/1-s2.0-S1053811921004535-main.pdf |y OpenAccess |
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