MR scans were performed using a dedicated high-gradient (AS302) (Setsompop et al., 2013 (link)), 3T MRI scanner (MAGNETOM Skyra CONNECTOM, Siemens Healthcare). The gradients are capable of 300mT/m in each direction (x, y, z) and a maximal slew rate of 200T/m/s (downgraded to 90T/m/s for the diffusion gradients for safety reasons). A custom-made 60-channel phased-array head/neck receive coil was used (Keil et al., 2013 (link)). The body coil was used for excitation. The isocenter was set at the level of the mouth.
Magnetom skyra connectom
Manufactured by Siemens
Sourced in United States
The MAGNETOM Skyra CONNECTOM is a magnetic resonance imaging (MRI) system designed for research applications. It provides a high-field magnetic strength of 3 Tesla, enabling high-resolution imaging and advanced research capabilities. The system is engineered to deliver consistent and reliable performance, supporting a wide range of research studies.
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Lab products found in correlation
2 protocols using magnetom skyra connectom
1
High-Gradient 3T MRI Acquisition
2
3T MRI Acquisition for Neuroimaging Research
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All MRI data were acquired using a 3T MR scanner (MAGNETOM Skyra CONNECTOM, Siemens Healthcare) customized with a 100mT/m gradient coil, inner bore diameter of 56 cm, and a standard 32channel head coil at Washington University in St. Louis, MO, USA.
The 3D T1-weighted Magnetization-Prepared Rapid Acquisition with Gradient Echo (MPRAGE) sequence was performed using the following parameters: sagittal acquisition with repetition time, 2400 ms; echo time, 2.14 ms; eld of view, 224 × 224 × 180 mm; voxel size, 0.7 × 0.7 × 0.7 mm 3 ; inversion time, 1000 ms; band width, 210 Hz/pixel; ip angle, 8°; GeneRalized Autocalibrating Partial Parallel Acquisition (GRAPPA) factor, 2; and total acquisition time, 7 min 40s.
The 3D T2-weighted Sampling Perfection with Application-optimized Contrasts using different ip angle Evolution (SPACE) sequence was performed using the following parameters: sagittal acquisition with repetition time, 3200 ms; echo time, 565 ms; echo spacing, 3.53 ms; turbo factor, 314; echo train duration , 1105 ms; eld of view, 224 × 224 × 180 mm; voxel size = 0.7 × 0.7 × 0.7 mm 3 ; band width, 744 Hz/pixel; variable ip angle; GRAPPA factor, 2; and total acquisition time, 8 min 24s.
More details on the imaging protocols are described in the WU-Minn Human Connectome Project S1200 Release Reference Manual 15 (link)
The 3D T1-weighted Magnetization-Prepared Rapid Acquisition with Gradient Echo (MPRAGE) sequence was performed using the following parameters: sagittal acquisition with repetition time, 2400 ms; echo time, 2.14 ms; eld of view, 224 × 224 × 180 mm; voxel size, 0.7 × 0.7 × 0.7 mm 3 ; inversion time, 1000 ms; band width, 210 Hz/pixel; ip angle, 8°; GeneRalized Autocalibrating Partial Parallel Acquisition (GRAPPA) factor, 2; and total acquisition time, 7 min 40s.
The 3D T2-weighted Sampling Perfection with Application-optimized Contrasts using different ip angle Evolution (SPACE) sequence was performed using the following parameters: sagittal acquisition with repetition time, 3200 ms; echo time, 565 ms; echo spacing, 3.53 ms; turbo factor, 314; echo train duration , 1105 ms; eld of view, 224 × 224 × 180 mm; voxel size = 0.7 × 0.7 × 0.7 mm 3 ; band width, 744 Hz/pixel; variable ip angle; GRAPPA factor, 2; and total acquisition time, 8 min 24s.
More details on the imaging protocols are described in the WU-Minn Human Connectome Project S1200 Release Reference Manual 15 (link)
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