All MRI and assessment procedures were identical across assessment occasions64 (link). Scanning was performed using a 3.0T MRI scanner (Siemens Magnetom, Trio Tim, Erlangen, Germany) equipped with a 12-channel array coil located at the Wolfson Brain Imaging Centre, Addenbrooke’s Hospital, Cambridge, UK. T2*-weighted echo-planar images were acquired under eyes-closed resting-state conditions. Participants were instructed to close their eyes and let the minds wander without going to sleep. Subsequent participant debriefing ensured that no participants fell asleep during the scan. Imaging parameters were: 3 × 3 × 3.75 mm voxel size, with a time-to-repetition (TR) of 2000 ms, time-to-echo (TE) of 30 ms, flip angle of 781 in 64 × 64 matrix size, and 240 mm field of view (FOV). A total of 300 volumes comprising 32 slices each were obtained. In addition, high-resolution anatomical T1 images were acquired using a three-dimensional magnetic-prepared rapid gradient echo (MPPRAGE) sequence. In all, 176 contiguous sagittal slices of 1.0 mm thickness using a TR of 2300 ms, TE of 2.98 ms, flip angle of 91, and a FOV of 256 mm in 240 × 256 matrix were acquired with a voxel size of 1.0 mm3. One participant was excluded due to excessive movement, resulting in a final sample of N = 20 subjects.
12 channel array coil
Manufactured by Siemens
Sourced in Germany
The 12-channel array coil is a core component for magnetic resonance imaging (MRI) systems. It is designed to efficiently acquire and transmit MRI signals from multiple channels simultaneously, allowing for faster image acquisition and higher-quality imaging. The coil features 12 individual receiver elements arranged in a specific configuration to optimize signal-to-noise ratio and coverage within the imaging volume. This product serves as a crucial part of the MRI system, enabling the capture of high-quality, multi-dimensional images for various medical and research applications.
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Lab products found in correlation
4 protocols using 12 channel array coil
1
Resting-State fMRI Brain Imaging Protocol
2
Resting-State fMRI Acquisition Protocol
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Functional imaging was conducted on a Siemens 3.0 T TrioTim whole-body scanner (Siemens AG, Erlangen, Germany) using a 12-channel array coil in the Henan Provincial People’s Hospital.
High-resolution T1-weighted anatomic images were obtained using a 3D-MPRAGE sequence (TR = 1,950 ms, TE = 2.30 ms, Ti = 900 ms, scan time = 4.24 minutes, matrix = 248 × 256, slice thickness = 1 mm, no distance, FOV = 244 × 252) and fMRI images using a BOLD-fMRI sequence (TR = 3,000 ms, TE = 2.50 ms, matrix = 320 × 320, slice thickness = 5 mm, slice interval = 0.5 mm, total layer = 35, FOV = 210 × 210, scan time = 7 minutes). The entire brain was scanned in 140 volumes. Subjects were instructed to keep their eyes closed, relax, and remain calm during the resting-state scan.
High-resolution T1-weighted anatomic images were obtained using a 3D-MPRAGE sequence (TR = 1,950 ms, TE = 2.30 ms, Ti = 900 ms, scan time = 4.24 minutes, matrix = 248 × 256, slice thickness = 1 mm, no distance, FOV = 244 × 252) and fMRI images using a BOLD-fMRI sequence (TR = 3,000 ms, TE = 2.50 ms, matrix = 320 × 320, slice thickness = 5 mm, slice interval = 0.5 mm, total layer = 35, FOV = 210 × 210, scan time = 7 minutes). The entire brain was scanned in 140 volumes. Subjects were instructed to keep their eyes closed, relax, and remain calm during the resting-state scan.
3
High-Resolution 3D T1 and fMRI Brain Imaging
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The MRI scan was performed on a Siemens 3.0T MRI scanner using a 12-channel array coil. High-resolution three-dimensional T1-weighted anatomical images with 176 images in an sagittal orientation (repetition time [TR] = 1,950 ms, echo time [TE] = 2.3 ms, gap = 0 mm, thickness = 1 mm, acquisition matrix = 248 × 256, field of view [FOV] = 244 × 252 mm, and flip angle = 9°) and 240 functional images using a blood oxygenation level dependent-fMRI sequence covering the whole brain (TR = 3,000 ms, TE = 25 ms, gap = 0.5 mm, thickness = 5.0 mm, acquisition matrix = 32 × 32, flip angle = 90°, and FOV = 210 × 210 mm) were collected.
4
Resting-State fMRI Acquisition Protocol
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