High-Resolution Structural MRI Acquisition

Structural MRI scan was performed using a 3.0-T Siemens Prisma system equipped with a 64-channel head coil at the Shanghai Key Laboratory of Magnetic Resonance (East China Normal University, Shanghai, China). Subjects were instructed not to move to minimize head movement, close their eyes, and relax during the scan. High-resolution T1-weighted anatomical images were obtained by using a fast-acquisition gradient-echo pulse sequence prepared by 3D magnetization with the following parameters: repetition time = 2,530 ms, echo time = 2.98 ms, inversion time = 1,100 ms, flip angle = 7°, number of slices = 192, sagittal orientation, field of view = 256 × 256 mm², and voxel size = 1 × 1 × 1 mm³. As previously reported, the mean frame-wise displacement (FD) was calculated during head movement processing (Li et al., 2020 (link)). Subjects with mean FD Jenkinson greater than 0.2 were excluded.

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Liang H.B., Dong L., Cui Y., Wu J., Tang W., Du X, & Liu J.R. (2022). Significant Structural Alterations and Functional Connectivity Alterations of Cerebellar Gray Matter in Patients With Somatic Symptom Disorder. Frontiers in Neuroscience, 16, 816435.

Publication 2022

Prisma system 64-channel head coil

Echo Eyes Frame Head Head movement Inversion Magnetic resonance Mri scan Prisma Scan

Corresponding Organization : Shanghai University of Sport

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Variable analysis

independent variables

No independent variables explicitly mentioned.

dependent variables

No dependent variables explicitly mentioned.

control variables

Magnetic resonance imaging (MRI) system: 3.0-T Siemens Prisma system equipped with a 64-channel head coil
Scanning location: Shanghai Key Laboratory of Magnetic Resonance (East China Normal University, Shanghai, China)
Participant instructions: Subjects were instructed not to move to minimize head movement, close their eyes, and relax during the scan
MRI acquisition parameters: repetition time = 2,530 ms, echo time = 2.98 ms, inversion time = 1,100 ms, flip angle = 7°, number of slices = 192, sagittal orientation, field of view = 256 × 256 mm^2, and voxel size = 1 × 1 × 1 mm^3
Head movement exclusion criteria: Subjects with mean frame-wise displacement (FD) Jenkinson greater than 0.2 were excluded

positive controls

Not specified.

negative controls

Not specified.

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