All imaging data were acquired in the same session on a GE Sigma 1.5 Tesla MRI scanner at the UC Davis Imaging Research Center. T1 images were collected using a spoiled gradient recalled sequence (slice thickness = 1.5 mm, in-plane resolution matrix size = 128 × 128, voxel size = 1 × 1 × 1.5 mm3, field of view 220 mm; TR = 9 ms, TE = 2 ms, and flip angle = 15°). DWI images were acquired using a Spin-Echo EPI sequence with six diffusion gradient directions (slice thickness = 5 mm, in-plane resolution matrix size = 128 × 128, voxel size = 1.7 × 1.7 × 5 mm3, field of view 220 mm, TR = 8 s, TE = 94 ms, flip angle = 90°, and b value = 1000 s/mm2). The same protocols were conducted at both at baseline and 12-month follow-up.
Sigma 1.5 tesla mri scanner
Manufactured by GE Healthcare
The Sigma 1.5 Tesla MRI scanner is a magnetic resonance imaging system designed for diagnostic purposes. It utilizes a 1.5 Tesla superconducting magnet to generate high-quality images of the human body. The scanner is capable of performing a range of imaging procedures, including those focused on the head, spine, and other anatomical regions.
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Lab products found in correlation
2 protocols using sigma 1.5 tesla mri scanner
1
Multimodal MRI in Longitudinal Study
2
Longitudinal Brain MRI Structural Changes
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Brain MRI structural images from two time points in the present longitudinal study were collected by a GE Sigma 1.5 Tesla MRI scanner in Oulu University Hospital. See supplementary text for details of MRI data acquisition.
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