We acquired MRI data using a 12-channel receive only head coil supplied by Siemens on the 3T TIM Trio scanner at the Center for Magnetic Resonance Research at the UMN. A T1 weighted MP-RAGE scan and a six-minute, eyes-open resting state functional MRI (rsfMRI) scan along with a field map acquisition were acquired for each subject. The scan parameters for the T1 weighted MP-RAGE scan include TR=2530ms; TE=1100ms; TI=1100ms, voxel size=1mm isotropic. The rsfMRI scan used an echo planar imaging (EPI) whole brain acquisition with TR = 2000ms; TE = 30ms; voxel size 3.43×3.43×4mm; 34 slices; 180 volumes. The EPI sequence was modified to record the time courses from the Siemens supplied respiratory bellows and pulse oximetry monitors during fMRI scan. The field map scan had voxel parameters which matched the rsfMRI acquisition. See Cullen et al. (2014) (link) for more details.
12 channel receive only head coil
Manufactured by Siemens
Sourced in Germany
The 12-channel receive-only head coil is a specialized piece of medical imaging equipment designed for use with magnetic resonance imaging (MRI) scanners. Its primary function is to receive and detect the magnetic resonance signals emitted by the patient's head during an MRI examination, allowing for high-quality image acquisition and analysis.
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Lab products found in correlation
Magnetom avanto 1.5t, by Siemens (1 mentions)
3t tim trio, by Siemens (1 mentions)
Matlab, by MathWorks (1 mentions)
Trio 3t scanner, by Siemens (1 mentions)
3 tesla whole body scanner, by Siemens (1 mentions)
E prime 2, by Psychology Software Tools (1 mentions)
Magnetom triotim 3 t, by Siemens (1 mentions)
Tim trio 3t mri system, by Siemens (1 mentions)
8 protocols using 12 channel receive only head coil
1
rsfMRI Acquisition Protocol for 3T MRI Scanner
2
Multimodal MRI Acquisition for Resting-State and Task-Based fMRI
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Participants were scanned on a clinically approved Siemens Magnetom Avanto 1.5 T (Siemens Medical Solutions, Erlangen, Germany) MRI scanner on Hospital de Braga using a Siemens 12-channel receive-only head coil. The imaging sessions included one structural T1-weighted and two functional T2*-weighted acquisitions (one resting state and one task related), conducted on the same day. For structural analysis, a T1 high-resolution anatomical sequence, 3D MPRAGE (magnetization prepared rapid gradient echo) was performed with the following scan parameters: repetition time (TR) = 2.730 s, echo time (TE) = 3.48 ms, 176 sagittal slices with no gap, flip angle (FA) = 7°, in-plane resolution = 1.0 × 1.0 mm2 and slice thickness = 1.0 mm. During the resting-state fMRI acquisition, using gradient echo-weighted echo-planar images (EPIs), the participants were instructed to keep their eyes closed and to think about nothing in particular. The imaging parameters were: 180 volumes, TR = 2 s, TE = 30 ms, FA = 90°, in-plane resolution = 3.5 × 3.5 mm2, 30 interleaved slices, slice thickness = 4 mm, imaging matrix 64 × 64 and FoV = 224 mm. The fMRI task was acquired using the same parameters as the resting state protocol, except the number of volumes, 456 in this case. The functional paradigm was presented using the fully integrated and synchronized fMRI system IFIS-SA.
3
Resting-State fMRI in Adolescents
4
Functional Neuroimaging Protocol for BOLD fMRI
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Participants were scanned on a Siemens TIM Trio 3 T magnetic resonance imaging (MRI) system (Siemens Medical Solutions, Erlangen, Germany), using the Siemens 12-channel receive-only head coil at L'Unité de Neuroimagerie Fonctionnelle (UNF) du Centre de recherche de l'Institut universitaire de gériatrie de Montréal (http://www.unf-montreal.ca/siteweb/Home_en.html ). Blood oxygenation level-dependent (BOLD) signal was acquired using a standard T2*-weighted gradient-echo EPI sequence (TR: 2500, TE: 30 ms, flip angle 90°, FOV 192×192 mm2, 38 slices, voxel size 3×3×3 mm3 with a gap of 0.6 mm-distance factor [20%], matrix size 64×64). Acquisition was in axial orientation co-planar with AC-PC, whole brain coverage. Order of acquisition was ascending. The functional images were acquired in one run, and the first three volumes were automatically discarded by the fMRI scanner. A structural image was acquired after the functional run using a high-resolution T1-weighted MPRAGE sequence (TR/TE 2300/2.98 ms, flip angle 9°, FOV: 256 mm 176 slices, voxel size 1 mm3, matrix size 256×256).
5
Volumetric Analysis of Parkinson's Disease
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Each research participant underwent MRI scanning using one of two Siemens Trio 3 T scanners using a 12-channel receive only head coil at the Emory Center for Systems Imaging. NM-MRI data was acquired using a 2D GRE pulse sequence with a reduced flip angle MT preparation pulse with additional parameters as previously published.47 (link) Image processing steps to determine SNc volume and LC volume were carried out using an automated, published approach, using FMRIB Software Library (FSL) and custom scripts developed in MATLAB (The Mathworks, Natick, MA).27 (link) Due to rare errors in field of view placement at the time of acquisition, SNc volume could not be calculated for one participant who had PD-FOG, and LC volume could not be calculated on a different individual with PD-FOG.
6
Structural and Functional MRI Acquisition
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For data acquisition in Innsbruck, protocol parameters were matched and kept as close as possible. Magnetic resonance imaging (MRI) was performed on a 3-Tesla whole body scanner (Siemens, Erlangen Germany), using a standard 12-channel receive-only head coil. Earplugs and foam padding were used to minimize background noise and head motion. For structural MRI, a T1-weighted, three-dimensional magnetization-prepared rapid gradient-echo (MPRAGE) sequence was used with the following parameters: TI = 1100 ms, TR = 2300 ms, TE = 2.98 ms, flip angle = 9°, 192 x 256 x 240 mm3 field-of-view, and voxel resolution = 1.0 mm × 1.0 mm × 1.0 mm3.
For functional MRI, T2*-weighted images were collected parallel to the anterior commissure – posterior commissure (AC–PC) plane using an echo-planar imaging (EPI) sequence with the following parameters: TR = 2630 ms, TE = 30 ms, flip angle = 80°, 40 slices with a gap of 1.0 mm in-between, 222 × 222 mm2 field-of-view, and voxel resolution = 3.0 × 3.0 × 3.0 mm3. Prior to data acquisition a manual prescan was performed followed by shimming.
The parameters and settings were identical for all subjects and measurements throughout the study.
For functional MRI, T2*-weighted images were collected parallel to the anterior commissure – posterior commissure (AC–PC) plane using an echo-planar imaging (EPI) sequence with the following parameters: TR = 2630 ms, TE = 30 ms, flip angle = 80°, 40 slices with a gap of 1.0 mm in-between, 222 × 222 mm2 field-of-view, and voxel resolution = 3.0 × 3.0 × 3.0 mm3. Prior to data acquisition a manual prescan was performed followed by shimming.
The parameters and settings were identical for all subjects and measurements throughout the study.
7
Functional MRI of Brain Responses
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Within 1 week after clinical assessment, participants underwent the scanning procedure in a clinically approved Siemens Magnetom TrioTim 3 T (Siemens Medical Solutions, Erlangen, Germany) using the Siemens 12-channel receiveonly head coil. E-Prime 2.0 ® (Psychology Software Tools Inc.) was used to program the fMRI paradigm and the visual stimuli were presented using an LCD projector Silent Vision Model SV-6011 (Avotec, Inc.).
For structural analysis and registration to standard space, a T1 high-resolution anatomical sequence, a 3D MPRAGE (magnetization prepared rapid gradient echo) was performed with the following scan parameters: repetition time (TR) = 2.3 s, echo time (TE) = 2.98 ms, 160 sagittal slices with no gap, Field-of-View (FoV) = 256 mm, flip angle (FA) = 9°, inplane resolution = 1 × 1 mm 2 and slice thickness = 1 mm. The scanning parameters for fMRI acquisition were the following: TR = 3 s, TE = 39 ms, FA = 90°, in-plane resolution and slice thickness 3 mm, 41 ascending interleaved axial slices with no gap and FoV = 256 mm.
For structural analysis and registration to standard space, a T1 high-resolution anatomical sequence, a 3D MPRAGE (magnetization prepared rapid gradient echo) was performed with the following scan parameters: repetition time (TR) = 2.3 s, echo time (TE) = 2.98 ms, 160 sagittal slices with no gap, Field-of-View (FoV) = 256 mm, flip angle (FA) = 9°, inplane resolution = 1 × 1 mm 2 and slice thickness = 1 mm. The scanning parameters for fMRI acquisition were the following: TR = 3 s, TE = 39 ms, FA = 90°, in-plane resolution and slice thickness 3 mm, 41 ascending interleaved axial slices with no gap and FoV = 256 mm.
8
Structural and Functional MRI of the Brain
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Participants underwent structural and functional magnetic resonance imaging (MRI) examinations on a Siemens TIM Trio 3T MRI system (Siemens Medical Solutions, Erlangen, Germany), using the Siemens 12-channel receive-only head coil at the neuroimaging unit of the research center of the Institut universitaire de gériatrie de Montréal (http://www.unf-montreal.ca/siteweb/Home_en.html). The structural MRI images were acquired using a highresolution T1-weighted MPRAGE sequence (TR: 2300 ms /TE: 2.98 ms, flip angle: 9°, FOV: 256 x 256 mm, 176 slices, voxel size 1 mm 3 , matrix size: 256x 256 pixels). Blood oxygen leveldependent (BOLD) signal was acquired using a standard T2*-weighted gradient echo EPI sequence (TR: 3000 ms, TE: 30 ms, flip angle: 90°, FOV: 192 x 192 mm , 38 slices, voxel size 3 mm 3 with a gap of 0.6 mm-distance factor [20%], matrix size: 64 x 64 pixels). Acquisition was in axial orientation co-planar with AC-PC, whole-brain coverage. Order of acquisition was ascending. The functional images were acquired in one run, and the first three volumes were automatically discarded by the fMRI scanner.
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