Imaging acquisition and fMRI preprocessing details can be found in the Supplemental Methods . Structural and 5-minute resting state fMRI scans were collected on a Siemens Tim Trio 3 Tesla MR scanner. Participants viewed a black screen and were instructed to keep their eyes open. Participants with >20% of their volumes marked as motion-related outliers were removed from fMRI analyses, resulting in 14 adolescents from the low-risk group and 2 adolescents in the high-risk group being excluded from all fMRI analyses. Thus, the final sample for fMRI analyses included 61 low-risk adolescents and 25 high-risk adolescents.
Tim trio 3 tesla mr scanner
Manufactured by Siemens
Sourced in Germany
The Tim Trio 3 Tesla MR scanner is a magnetic resonance imaging (MRI) system designed and manufactured by Siemens. It operates at a field strength of 3 Tesla, providing high-quality imaging capabilities. The core function of the Tim Trio 3 Tesla MR scanner is to generate detailed images of the human body using powerful magnetic fields and radio waves.
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Lab products found in correlation
2 protocols using tim trio 3 tesla mr scanner
1
Exclusion Criteria for fMRI Analysis
2
Stroke MRI Acquisition Protocol
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A stroke MRI protocol 13 (link) was performed on a Siemens (Erlangen, Germany) Tim Trio 3 Tesla MR scanner. The sequence parameters for the rsfMRI scan were: repetition time=2300 ms, echo time=30 ms, flip angle=90°, matrix=64×64, voxel dimensions=3×3×3 mm, 1 mm slice gap, 33 slices, and 150 volumes (acquisition time=5 minutes and 50 seconds) and for DSC-MRI: repetition time=1390 ms, echo time=29 ms, flip angle=60, matrix=128×128, voxel dimensions=1.8×1.8×5 mm, 0.5 mm slice gap, 21slices and 80 volumes (acquisition time=1 minute and 58 seconds). For DSC-MRI, a bolus of 5 mL Gadovist (Gadobutrol, 1 mol/L; Bayer Schering Pharma AG, Berlin, Germany) was administered followed by a saline flush at a flow rate of 5 mL/s. The rsfMRI scan was performed before the administration of contrast agent, and patients were requested to relax, lie still, and close their eyes for the duration of the scan. No thrombolytic therapy was administered between the rsfMRI and DSC-MRI scans.
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