Data were acquired on a 3T Skyra MR system (Siemens, Germany) with 16/4-channel head/neck coil using protocols similar to the HCP Lifespan study21 (link). Sequences included: T1-weighted MPRAGE (TR = 2400 ms; TE = 2.06 ms; TI = 1000 ms; flip angle = 8°; 224 sagittal frames, no gap; matrix = 256 × 256; FOV = 230 × 230mm2; 0.9 mm isotropic), T2-weighted SPACE (TR = 3200 ms; TE = 565 ms; flip angle=120°; 224 sagittal frames, no gap; matrix = 256 × 256; FOV = 230 × 230mm2; 0.9 mm isotropic), and resting-state gradient-recalled EPI (10 min; TR = 1000 ms; effective TE = 31.4 ms; flip angle = 60°; 600 frames of 60 slices parallel to AC-PC, no gap; 5× multiband acceleration; anterior-to-posterior phase encoding; matrix = 98 × 98; FOV = 228 × 228 mm2; 2.3 mm isotropic). Matched single-band EPI and spin-echo fieldmaps were collected for registration and distortion correction purposes. Subjects were presented with a fixation cross and instructed to rest with their eyes open. Four RFT fMRI runs (6 min 14 s each) were also acquired later in the session using similar sequences.
Skyra 3t mr system
Manufactured by Siemens
Sourced in Germany
The Skyra 3T MR system is a magnetic resonance imaging (MRI) scanner that operates at a magnetic field strength of 3 Tesla. It is designed to provide high-quality images for a variety of clinical applications. The system features advanced imaging capabilities and is intended for use in medical facilities.
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Lab products found in correlation
6 protocols using skyra 3t mr system
1
Multimodal MRI Acquisition for Brain Mapping
2
Multimodal MRI Acquisition Protocol for Lifespan Studies
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Data were acquired on a 3T Skyra MR system (Siemens, Germany) with 16/4-channel head/neck coil using protocols similar to the HCP Lifespan study (20) . Sequences included: T1weighted MPRAGE (TR=2400ms; TE=2.06ms; TI=1000ms; flip angle=8°; 224 frames, no gap; matrix=256×256; FOV=230×230mm 2 ; 0.9mm isotropic), T2-weighted SPACE (TR=3200ms; TE=565ms; flip angle=120°; 224 frames, no gap; matrix=256×256; FOV=230×230mm 2 ; 0.9mm isotropic), and resting-state gradient-recalled EPI (TR=1000ms; effective TE=31.4ms; flip angle=60°; 600 frames of 60 slices parallel to AC-PC, no gap; 5× multiband acceleration; anteriorto-posterior phase encoding; matrix=98×98; FOV=228×228mm 2 ; 2.3mm isotropic; 10min).
Matched single-band EPI and spin-echo fieldmaps were collected for registration and distortion correction purposes. Subjects were presented with a fixation cross and instructed to rest with their eyes open. Four RFT fMRI runs (15) were also acquired later in the session.
Matched single-band EPI and spin-echo fieldmaps were collected for registration and distortion correction purposes. Subjects were presented with a fixation cross and instructed to rest with their eyes open. Four RFT fMRI runs (15) were also acquired later in the session.
3
Multimodal Neuroimaging of First-Episode Psychosis
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All images were acquired on a Siemens Skyra 3 T MR system equipped with a 20 channel receive coil. The following sequences were obtained as part of a larger research protocol in all subjects. 1. T1-weighted gradient echo MRI (MPRAGE) of entire brain, TR/TE/TI = 2300/2.96/1000 ms, 1.0 × 1.0 × 1.0 mm3 resolution, acquisition time = 5.30 min for tissue segmentation. 2. PD/T2 weighted 2D turbo spin-echo sequence, TR = 3210, TE1/2 = 101/11 ms, 1.0 × 1.0 × 3.0 mm3 resolution, acquisition time: 3.43 min. Nineteen subjects (7 controls and 12 FE) also underwent task-free fMRI using a 2D gradient echo EPI sequence with TR/TE = 2020/27 ms, flip angle = 77, 2.5 × 2.5 × 3 mm resolution, no gaps, acquisition time = 8.00 min. Subjects were instructed to refrain from caffeinated beverages on the day of the exam, to close their eyes and to relax but stay awake and think of nothing in particular during the scan.
4
Multimodal MRI Acquisition for Brain Research
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All images were acquired on a Siemens Skyra 3T MR system equipped with a 20 channel receive coil. The following sequences were obtained as part of a larger research protocol. (1) T1-weighted gradient echo MRI (MPRAGE) of entire brain, TR/TE/TI = 2300/2.96/1,000 ms, 1.0 × 1.0 × 1.0 mm3 resolution, acquisition time = 5.30 min for tissue segmentation. (2) PD/T2 weighted 2D turbo spin-echo sequence, TR = 3,210, TE1/2 = 101/11 ms, 1.0 × 1.0 × 3.0 mm3 resolution, acquisition time: 3.43 min, for co-registration between T1 and EPI data. (3) 2D gradient echo EPI sequence TR/TE = 3,000/30 ms, flip angle = 80, 2.5 × 2.5 × 3 mm resolution, no gaps, acquisition time = 8.00 min for dynamic task-free analysis. Subjects were instructed to refrain from caffeinated beverages on the day of the exam, to close their eyes and to relax but stay awake and think of nothing in particular during the scan. (4) EPI-based diffusion weighted imaging (TR/TE, = 7,200/73 ms, 2 × 2 × 2 resolution, 64 diffusion encoding directions with b = 1,000 s/mm2, acquisition time: 7.2 min.
5
Neuroimaging Protocol for Decision-Making Task
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Scanning was performed on a Siemens Skyra 3 T MR system. We used the following sequence parameters for the main task and localizer: field of view (FOV) = 196 mm × 196 mm, matrix size = 66 × 66, slice thickness = 3.0 mm, slice gap = 0.0 mm, repetition time (TR) = 2.4, echo time (TE) = 30 ms, and flip angle (FA) = 87°, 46 slices, with slice orientation tilted 15° relative to the AC/PC plane. We collected 160 volumes for the decision-making task and 169 volumes for the functional localizers. At the start of the imaging session, we collected a high-resolution structural volume MPRAGE with the following sequence parameters: FOV = 200 mm × 200 mm, matrix size = 256 × 256, slice thickness = 0.9 mm, slice gap = 0.45 mm, TR = 1.9 s, TE = 2.13 ms, and FA = 9°, 192 slices.
6
Neuroimaging Protocol for 3T MRI Acquisition
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Scanning was performed on a Siemens Skyra 3T MR system. Similarly to KBMR and our previous experiment, we used the following sequence parameters for the main task: field of view (FOV) = 196 mm × 196 mm, matrix size = 66 × 66, slice thickness = 3.0 mm, slice gap = 0.0 mm, repetition time (TR) = 3.0 s, echo time (TE) = 30 ms, flip angle (FA) = 87°, 54 slices, with slice orientation tilted 15°relative to the AC/PC plane. At the start of the imaging session, we collected a highresolution structural volume (MPRAGE) with the following sequence parameters: FOV = 200 mm × 200 mm, matrix size = 256 × 256, slice thickness = 0.9 mm, slice gap = 0.45 mm, TR = 1.9 s, TE = 2.13 ms, FA = 9°, 192 slices.
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