We collected T2*-weighted echo-planar images using a GE-MR750 3.0 T scanner with a standard head coil at Tongji University, China. The images were acquired in 40 axial slices parallel to the AC-PC line in an interleaved order, with an in-plane resolution of 3 mm × 3 mm, a slice thickness of 4 mm, an inter-slice gap of 4 mm, a repetition time of 2000 ms, an echo time of 30 ms, a flip angle of 90°, and a field of view of 200 mm × 200 mm. We used Statistical Parametric Mapping software SPM12 (Wellcome Trust Department of Cognitive Neurology, London, UK) which was run-through MATLAB (MathWorks) to preprocess the fMRI images, perform GLM analyses and PPI analyses. For detailed neuroimaging analyses, see SI Appendix, SI Materials and Methods .
Ge mr750 3.0 t scanner
Manufactured by GE Healthcare
Sourced in United States
The GE-MR750 3.0 T scanner is a magnetic resonance imaging (MRI) system designed for clinical use. It operates at a static magnetic field strength of 3.0 Tesla, providing high-quality imaging capabilities. The core function of the GE-MR750 3.0 T scanner is to generate detailed images of the human body through the use of strong magnetic fields and radio waves.
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4 protocols using ge mr750 3.0 t scanner
1
fMRI Protocol for Neural Correlates of Cognitive Processes
2
Resting-state fMRI data collection
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The resting-state BOLD-fMRI data were collected using a GE MR750 3.0T scanner (General Electric, Milwaukee, WI, United States). The parameters of functional images were set as follows: time of point = 200, TR = 2,000 ms, TE = 30 ms, flip angle = 90°, number of slices = 33, matrix = 64 × 64, field of view = 24 cm2 × 24 cm2, and thickness/gap = 4/0 mm. And high-resolution structural T1-weighted images were collected as follows: 132 slices, TR = 8.2 ms, TE = 3.2 ms, slice thickness = 1.0 mm, FOV = 24 cm2 × 24 cm2, and flip angle = 12°.
3
Resting-State BOLD and ASL Imaging
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Dataset-1 was from a published dataset [22 (link)] which included 34 healthy participants (aged 19–31 years, 18 females). That study was approved by the Ethics Committee of the Center for Cognition and Brain Disorders, Hangzhou Normal University. Informed consent was obtained from each participant.
For each participant, four resting state sessions were scanned with two conditions EO and EC by BOLD and arterial spinlabeling (ASL), respectively. The order of the four sessions was counterbalanced across participants. The ASL data were not used in the current study. Dataset-1 was acquired using a GE MR-750 3.0 T scanner (GE Medical Systems, Waukesha, WI) at the Center for Cognition and Brain Disorders of Hangzhou Normal University. Each scan consisted of 240 contiguous EPI functional volumes (TR = 2000 ms; TE = 30 ms; flip angle = 60°; 37 axial slices; field of view (FOV) = 220 × 220 mm2, matrix = 64 × 64; in-plane resolution 3.44 × 3.44 × 3.4 mm3. For spatial normalization, a spoiled gradient-recalled pulse sequence was also used (176 sagittal slices; slice thickness = 1 mm; TR = 8100 ms; TE = 3.1 ms; flip angle = 9°; FOV = 250 × 250 mm2).
For each participant, four resting state sessions were scanned with two conditions EO and EC by BOLD and arterial spinlabeling (ASL), respectively. The order of the four sessions was counterbalanced across participants. The ASL data were not used in the current study. Dataset-1 was acquired using a GE MR-750 3.0 T scanner (GE Medical Systems, Waukesha, WI) at the Center for Cognition and Brain Disorders of Hangzhou Normal University. Each scan consisted of 240 contiguous EPI functional volumes (TR = 2000 ms; TE = 30 ms; flip angle = 60°; 37 axial slices; field of view (FOV) = 220 × 220 mm2, matrix = 64 × 64; in-plane resolution 3.44 × 3.44 × 3.4 mm3. For spatial normalization, a spoiled gradient-recalled pulse sequence was also used (176 sagittal slices; slice thickness = 1 mm; TR = 8100 ms; TE = 3.1 ms; flip angle = 9°; FOV = 250 × 250 mm2).
4
Longitudinal Resting-State fMRI of Healthy Individuals
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This dataset consists of 10 fMRI resting-state sessions acquired from 30 healthy participants every three days for one month (Zuo et al., 2014 (link)). Each session lasted 10 min. To minimize head movement, straps and foam pads were used to fix the head snugly during each scan. The participants were instructed to relax and remain still with their eyes open, not to fall asleep, and not to think about anything in particular. The screen presented a fixation point and after the scans, all the participants were interviewed, and none of them reported to have fallen asleep in the scanner. The time of day of MRI acquisition was controlled within participants.
Recording sessions were performed using a GE MR750 3.0 T scanner (GE Medical Systems, Waukesha, WI) at CCBD, Hangzhou Normal University. T2-weighted echo-planar imaging (EPI) sequence was performed to obtain resting state fMRI images for 10 min using the following setup: TR = 2000 ms, TE = 30 ms, flip angle = 90°, field of view = mm2, matrix = , voxel size = mm3, 43 slices. A T1-weighted fast spoiled gradient echo (FSPGR) was used with the following protocol: TR = 8.1 ms, TE = 3.1 ms, TI = 450 ms, flip angle = 8°, field of view = mm2, matrix = , voxel size = mm3, 176 sagittal slices) was carried out to acquire a high-resolution anatomical image of the brain structure.
Recording sessions were performed using a GE MR750 3.0 T scanner (GE Medical Systems, Waukesha, WI) at CCBD, Hangzhou Normal University. T2-weighted echo-planar imaging (EPI) sequence was performed to obtain resting state fMRI images for 10 min using the following setup: TR = 2000 ms, TE = 30 ms, flip angle = 90°, field of view = mm2, matrix = , voxel size = mm3, 43 slices. A T1-weighted fast spoiled gradient echo (FSPGR) was used with the following protocol: TR = 8.1 ms, TE = 3.1 ms, TI = 450 ms, flip angle = 8°, field of view = mm2, matrix = , voxel size = mm3, 176 sagittal slices) was carried out to acquire a high-resolution anatomical image of the brain structure.
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