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- W3169182131 abstract "Functional magnetic resonance imaging (fMRI) has significant potential to evaluate changes in brain network activity after traumatic brain injury (TBI) and enable early prognosis of potential functional (e.g., motor, cognitive, behavior) deficits. In this study, resting-state and task-based fMRI (rs- and tb-fMRI) were utilized to examine network changes in a pediatric porcine TBI model that has increased predictive potential in the development of novel therapies. rs- and tb-fMRI were performed one day post-TBI in piglets. Activation maps were generated using group independent component analysis (ICA) and sparse dictionary learning (sDL). Activation maps were compared to pig reference functional connectivity atlases and evaluated using Pearson spatial correlation coefficients and mean ratios. Nonparametric permutation analyses were used to determine significantly different activation areas between the TBI and healthy control groups. Significantly lower Pearson values and mean ratios were observed in the visual, executive control, and sensorimotor networks for TBI piglets compared to controls. Significant differences were also observed within several specific individual anatomical structures within each network. In conclusion, both rs- and tb-fMRI demonstrate the ability to detect functional connectivity disruptions in a translational TBI piglet model, and these disruptions can be traced to specific affected anatomical structures." @default.
- W3169182131 created "2021-06-22" @default.
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- W3169182131 date "2021-06-11" @default.
- W3169182131 modified "2023-10-16" @default.
- W3169182131 title "Detecting functional connectivity disruptions in a translational pediatric traumatic brain injury porcine model using resting-state and task-based fMRI" @default.
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- W3169182131 doi "https://doi.org/10.1038/s41598-021-91853-5" @default.
- W3169182131 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/8196021" @default.
- W3169182131 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/34117318" @default.
- W3169182131 hasPublicationYear "2021" @default.
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