All MR images were acquired on a 3.0T Philips Achieva Magnet scanner. Participants underwent two imaging sessions of approximately 2 h. Each session started with a scout, T1-weighted image to determine patient position, after which an MPRAGE scan, 11 fMRI tasks, a resting state BOLD (ranging between 5 and 9.5 min), and other imaging modalities were obtained (i.e. FLAIR, DTI, and ASL, which will not be used in this study). The MPRAGE parameters were: TR = 6.6 ms, TE = 3.0 ms, flip angle = 8°, FOV = 256 × 256 mm, matrix size = 256 × 256 mm, number of slices = 165, voxel size = 1 × 1 × 1 mm3. The EPI parameters were: TR = 2000 ms, TE = 20 ms, flip angle= 72°, FOV = 224 × 132 mm, matrix size = 112 × 110 mm, number of slices = 33, voxel size = 2×2×2 mm3 (task scans); TR = 2000 ms, TE = 20 ms, flip angle = 72°, FOV = 224 × 111 mm, matrix size = 112 × 110 mm, number of slices = 37, voxel size = 2×2×2mm3 (resting state scan). Note that the FOV for resting state scans was smaller compared to the task scans, which led some brain regions (i.e. predominantly in the visual cortex and cerebellum) to contain missing values when obtained during rest, but not during task performance. Each scan was carefully reviewed by a neuroradiologist, and any significant findings were reported to the subject’s primary care physician.
Achieva magnet scanner
Manufactured by Philips
The Philips Achieva Magnet scanner is a magnetic resonance imaging (MRI) device used for medical diagnostic purposes. It generates a strong magnetic field and radio waves to create detailed images of the body's internal structures. The Achieva Magnet scanner provides healthcare professionals with the necessary tool to visualize and examine various organs and tissues for clinical evaluation and diagnosis.
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Lab products found in correlation
3 protocols using achieva magnet scanner
1
Multimodal Neuroimaging of Cognitive Tasks
2
Multimodal Neuroimaging of Cognitive Tasks
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All MR images were acquired on a 3.0T Philips Achieva Magnet scanner. Participants underwent two imaging sessions of approximately 2 h. Each session started with a scout, T1-weighted image to determine patient position, after which an MPRAGE scan, 11 fMRI tasks, a resting state BOLD (ranging between 5 and 9.5 min), and other imaging modalities were obtained (i.e. FLAIR, DTI, and ASL, which will not be used in this study). The MPRAGE parameters were: TR = 6.6 ms, TE = 3.0 ms, flip angle = 8°, FOV = 256 × 256 mm, matrix size = 256 × 256 mm, number of slices = 165, voxel size = 1 × 1 × 1 mm3. The EPI parameters were: TR = 2000 ms, TE = 20 ms, flip angle= 72°, FOV = 224 × 132 mm, matrix size = 112 × 110 mm, number of slices = 33, voxel size = 2×2×2 mm3 (task scans); TR = 2000 ms, TE = 20 ms, flip angle = 72°, FOV = 224 × 111 mm, matrix size = 112 × 110 mm, number of slices = 37, voxel size = 2×2×2mm3 (resting state scan). Note that the FOV for resting state scans was smaller compared to the task scans, which led some brain regions (i.e. predominantly in the visual cortex and cerebellum) to contain missing values when obtained during rest, but not during task performance. Each scan was carefully reviewed by a neuroradiologist, and any significant findings were reported to the subject’s primary care physician.
3
Multimodal Brain Imaging Protocol
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Image acquisition was performed using a 3 T Philips Achieva Magnet scanner. Participants performed 12 fMRI tasks over the course of two 2 h MR imaging sessions; the same procedure was followed at both baseline and again at the 5 year follow-up. At the onset of each session, a scout T1-weighted image was acquired to determine the participant’s position. A T1-weighted MPRAGE scan was performed to capture participants’ brain structures, with the following parameters: TE, 3 ms; TR, 6.5 ms; flip angle, 8°; in-plane resolution, 256 × 256 voxels; field of view, 25.4 × 25.4 cm; and 165–180 slices in the axial direction; slice thickness, 1 mm; slice gap, 0 mm. All scans used a 240 mm field of view. For the EPI acquisition, the following parameters were used: TE, 20 ms; TR, 2000 ms; flip angle, 72°; in-plane resolution, 112 × 112 voxels; slice thickness, 3 mm; slice gap, 0 mm. FLAIR (fluid-attenuated inversion recovery), DTI (diffusion tensor imaging), ASL (arterial spin labeling), and a resting BOLD (7 min) scan were additionally acquired; however, these data are not considered in the current article. A neuroradiologist examined each participant’s scan for abnormality, and any significant findings were reported to the participant’s primary care physician.
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