T1-, T2, and proton-density weighted images providing high anatomical detail were acquired on 2 GE 3T Discovery 750× scanners (GE Healthcare, Waukesha, WI, USA) with an 8-channel phased array head coil (scanner 1 N=336, scanner 2 N=145) at the University of California, San Diego. Subcortical segmentation and surface-based cortical parcellation were performed using FreeSurfer version 5.3 (Fischl, 2012 (link)). Detailed protocols for the MRI acquisition, processing, and creation of MRI based measures at age 68 are provided in the Supplement .
Ge 3t discovery 750 scanners
Manufactured by GE Healthcare
Sourced in United States
The GE 3T Discovery 750× scanners are high-performance magnetic resonance imaging (MRI) systems designed for clinical use. They operate at a magnetic field strength of 3 Tesla, providing enhanced image quality and faster scanning times compared to lower-field MRI systems. The scanners are capable of producing detailed anatomical images and can be used for a variety of diagnostic applications.
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Lab products found in correlation
2 protocols using ge 3t discovery 750 scanners
1
Detailed MRI Imaging and Analysis
2
Multimodal Neuroimaging Protocol: T1-weighted and Diffusion-weighted MRI
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Images were acquired with two GE 3 T Discovery 750 × scanners (GE Healthcare, Waukesha, WI, USA) with eight-channel phased array head coils. The imaging protocol included a sagittal 3D fast spoiled gradient echo (FSPGR) T1-weighted (T1w) volume optimized for maximum gray/white contrast (TE = 3.164 msec, TR = 8.084 msec, TI = 600 msec, flip angle = 8°, matrix = 256x192, in-plane resolution = 1x1 mm, slice thickness = 1.2 mm, slices = 172). Diffusion data were acquired with a multi-shell diffusion-weighted scan (54-directions, b values = [0 (x3), 666 (x6), 1333 (x15), 2666 (x15), 4000 (x15)] s/mm2, integrated with a pair of b = 0 images with opposite phase-encode polarity, TR = 6600 msec, TE = 81.1 msec, matrix = 96x96, in-plane resolution = 2.5x2.5 mm, slice thickness = 2.5 mm, 54 slices).
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