Data were acquired on a Siemens PRISMA 3.0 Tesla scanner at the Intermountain Neuroimaging Consortium on the campus of the University of Colorado Boulder for all participants except for nine for whom data were acquired on the pre-upgrade version of the same magnet (TIM TRIO). Structural scans were acquired with T1-weighted sequence, with the following parameters: repetition time (TR) = 2400 ms, echo time (TE) = 2.07 ms, field of view (FOV) = 256 mm, with a .8 mm x .8 mm x .8 mm voxel size, acquired across 224 sagittal sagital slices. Functional scans were acquired using a sequence with the following parameters: TR = 460 ms, TE = 27.2 ms, FOV = 248 mm, with a 3 mm × 3 mm × 3 mm voxel size, acquired across 56 inter-leaved axial slices and aligned along the anterior commissure-posterior commissure line. Two runs were acquired with each run consisting of a total of 624 echo planar images, for a total of 1248 images.
Prisma 3.0 tesla scanner
Manufactured by Siemens
Sourced in Germany
The PRISMA 3.0 Tesla scanner is a magnetic resonance imaging (MRI) system manufactured by Siemens. It operates at a magnetic field strength of 3.0 Tesla, which allows for high-quality imaging of the human body. The PRISMA 3.0 Tesla scanner is designed to produce detailed images of internal structures and functions for diagnostic and research purposes.
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Lab products found in correlation
5 protocols using prisma 3.0 tesla scanner
1
High-Resolution Structural and Functional MRI
2
Functional MRI of Line Orientation Task
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MRI data were collected on a Siemens Prisma 3.0‐Tesla scanner (Siemens, Munich, Germany), located at the Yale Magnetic Resonance Research Center, using a 32‐channel head coil. Sequence parameters can be found in the online Supporting Information. Participants underwent two functional runs (each 4:21 minutes) while performing a line orientation task. The JLOT was selected because it has previously been adapted for the fMRI environment [29 ]. Participants held a two × four button box in each hand and responded by pressing one of eight buttons, each of which corresponded to one of eight lines with fixed orientations. All participants were administered a practice version of the task prior to entering the scanner to minimize effects of familiarity. A high‐resolution T1‐weighted anatomical image was acquired for registration, using parameters described in the Supporting Information.
3
High-Resolution Multiband fMRI Protocol
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MRI data were acquired on a Siemens PRISMA 3.0 Tesla scanner at the Intermountain Neuroimaging Consortium on the campus of the University of Colorado Boulder. Structural scans were acquired with T1-weighted sequence, with the following parameters: repetition time (TR) = 2400 ms, echo time (TE) = 2.07 ms, field of view (FOV) = 256 mm, with a 0.8 × 0.8 × 0.8 mm3 voxel size, acquired across 224 coronal slices. Functional MRI (fMRI) scans for both the functional localizer and central study were acquired using a sequence with the following parameters: TR = 460 ms, TE = 27.2 ms, FOV = 248 mm, multiband acceleration factor = 8, with a 3 × 3 × 3 mm3 voxel size, acquired across 56 axial slices and aligned along the anterior commissure-posterior commissure line. For the functional localizer task, five runs were acquired in total, with each run consisting of 805 echo planar images (EPI), for a total of 4025 images across the five runs. For the central study, six runs were acquired in total, with each run consisting of a 1175 EPIs, for a total of 7050 images across the six runs.
4
Resting-State and Breathing-Focused fMRI in Meditators
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All MR imaging was performed on a Siemens PRISMA 3.0 Tesla Scanner (Siemens, Erlangen, Germany) using a 32-channel head coil. Images acquired included anatomic T1-weighed 3D magnetization-prepared rapid acquisition with gradient echo (MPRAGE; repetition time / echo time [TR/TE] = 2010/2.91 ms, flip angle = 9°, field of view = 192 × 174 mm, 192 sagittal slices, isotropic voxel size of 1 mm) and BOLD rs-fMRI with a gradient-echo planar imaging (EPI) sequence (Axial, TR = 760 ms, TE = 29 ms, flip angle = 54°, 55 slices, field of view [FOV] = 220 × 220 mm2, isotropic voxel 2.5 mm, simultaneous multi-slice [SMS] factor 5, 790 volumes). A spin-echo-EPI with reverse phase encoding and matched imaging parameters was also performed for geometric distortion correction.
For both meditator and control groups, the first run of the fMRI was performed at rest. The second run of the fMRI was performed with instructions to focus on their breathing technique, which is a part of the meditation practice.
For both meditator and control groups, the first run of the fMRI was performed at rest. The second run of the fMRI was performed with instructions to focus on their breathing technique, which is a part of the meditation practice.
5
fMRI Paradigm for Line Orientation Task
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