Magnetom trio mri

Manufactured by Siemens

Sourced in Germany

The MAGNETOM Trio MRI is a magnetic resonance imaging (MRI) system manufactured by Siemens. It is designed to provide high-quality medical imaging for diagnostic purposes. The MAGNETOM Trio MRI utilizes a strong magnetic field and radio waves to generate detailed images of the body's internal structures.

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Lab products found in correlation

Discovery mr750, by GE Healthcare (1 mentions) Mprage, by Siemens (1 mentions) 12 channel head coil, by Siemens (1 mentions)

Close spelling variants of this product

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7 protocols using magnetom trio mri

Brain Imaging and Neural Network Analysis

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The raw material for this work is the L2struc database hosted in XNAT Central, freely available online through the PNAS open access option. The share data was approved by the University of Reading Research Ethics Committee. All participants provided written informed consent prior to participating [17 (link)]. It was used a 3.0-Tesla Siemens MAGNETOM Trio MRI scanner with Syngo software and 36-channel Head Matrix coil to acquire a whole-brain diffusion-weighted Echo-Plannar Imaging image (two averages, 30 directions, 60 axial slices; slice thickness, 2 mm, no interslice gap; field of view, 256 × 256 mm; acquisition matrix, 128 × 128; voxel size, 2 mm isotropic; echo time, 93 ms; repetition time, 8,200 ms; b-value, 1,000 s/mm²). A 3D brain shot participant number 101 is presented in Figure 1. A set of 60 cross sections can be observed at different heights of the brain, arranged in rows from 1 to 8 and in columns from A to H. For the implementation of the method, Matlab 2019 and its “dicomread” function were used to manipulate the RMI files while the implementation of the Artificial Neural Network (ANN) was carried out with Matlab's “nprtool” tool.

, & Barranco-Gutiérrez A.I. (2020). Machine Learning for Brain Images Classification of Two Language Speakers. Computational Intelligence and Neuroscience, 2020, 9045456.

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Multimodal MRI Acquisition Protocol

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Patient imaging data was collected on a 3T GE Discovery MR750 MRI scanner (General Electric, Milwaukee WI, USA) equipped with an 8-channel head coil. Due to better availability, volunteer imaging data was acquired on a 3T Siemens MAGNETOM Trio MRI scanner (Siemens Healthcare, Erlangen, Germany) equipped with a 32-channel head coil. Imaging parameters were similar on both scanners. Since the two groups were evaluated separately, the use of different scanners was not considered critical. High resolution structural T1 contrast images were acquired using either MPRAGE (Siemens) or Bravo FSPGR (GE) sequences (FOV = 256 mm, resolution 1 × 1 × 1 mm³). Functional images were acquired during each of the task paradigms described above using BOLD echo-planar imaging pulse sequence (TR = 2000/3000 ms, TE = 30 ms, resolution 4 × 4 × 4 mm³). The first four imaging volumes were acquired to allow stabilization of longitudinal magnetization, and were discarded before data analysis.

Teghipco A., Hussain A, & Tivarus M.E. (2016). Disrupted functional connectivity affects resting state based language lateralization. NeuroImage : Clinical, 12, 910-927.

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Functional MRI Acquisition Protocol

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Images were obtained using a 3T Siemens Magnetom Trio MRI at the Wellcome Trust Centre for Neuroimaging at University College London. MRI data were collected with the fitted 32-channel head coil. Blood Oxygen Level Dependent (BOLD) signals were measured using an echo planar imaging (EPI) sequence (volume repetition time, 2.1 s; echo time, 30 ms; flip angle, 90°). EPI image contained 30 axial slices (3 mm thickness, ascending slice order), voxel size was 3 mm × 3 mm × 3 mm, and the field of view was 192 mm × 192 mm. T1-weighted structural images were acquired with 1 × 1 × 1 mm. Phase image and magnitude images were also obtained to compute a fieldmap (Hutton et al., 2002 (link)).

Megumi F., Bahrami B., Kanai R, & Rees G. (2015). Brain activity dynamics in human parietal regions during spontaneous switches in bistable perception. Neuroimage, 107, 190-197.

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Resting-State Functional MRI at 3T

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Imaging was performed at 3 Tesla on a Siemens Magnetom Trio MRI system. For the resting-state scan, participants were presented with a black screen for 5-min and were asked to keep their eyes open. A set of 152 functional, T2*-weighted, echoplanar images (EPI) was acquired (slice thickness=4 mm; 34 slices; repetition time (TR)=2 s; echo time (TE)=30 ms; flip angle=90°; matrix=64 × 64; field of view=200 mm). High-resolution, T2-weighted, matched-bandwidth and magnetization-prepared rapid-acquisition gradient echo (MPRAGE) scans were also acquired. The orientation for matched-bandwidth and EPI scans was oblique-axial to maximize brain coverage and to optimize signal from ventromedial prefrontal regions.

Dean A.C., Kohno M., Morales A.M., Ghahremani D.G, & London E.D. (2015). DENIAL IN METHAMPHETAMINE USERS: ASSOCIATIONS WITH COGNITION AND FUNCTIONAL CONNECTIVITY IN BRAIN. Drug and alcohol dependence, 151, 84-91.

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MPRAGE and BOLD Imaging Protocol for Neuroimaging

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Images were collected on a 3T Magnetom Trio MRI scanner system (Siemens Medical Systems, Erlangen, Germany) using a 32-channel radio frequency head coil. Structural images were obtained using a three-dimensional T1-weighted magnetization-prepared gradient-echo sequence (MPRAGE) based on the ADNI protocol (www.adni-info.org) [repetition time (TR) = 2500 ms; echo time (TE) = 4.77 ms; TI = 1100 ms, acquisition matrix = 256 × 256 × 176, flip angle = 7; 1 mm × 1 mm × 1 mm voxel size]. Functional images were collected using a T2^∗-weighted echo planar imaging (EPI) sequence sensitive to blood oxygen level dependent (BOLD) contrast (TR = 2000 ms, TE = 30 ms, image matrix = 64 × 64, FOV = 216 mm, flip angle = 80, voxel size 3 mm × 3 mm × 3 mm, 36 axial slices).

Kühn S., Fernyhough C., Alderson-Day B, & Hurlburt R.T. (2014). Inner experience in the scanner: can high fidelity apprehensions of inner experience be integrated with fMRI?. Frontiers in Psychology, 5, 1393.

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Resting-state Multiband fMRI Acquisition

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Data for this study was collected at the University of Virginia Health System on a Siemens MAGNETOM Trio MRI. A whole brain multiband BOLD sequence (University of Minnesota, CMMR sequence, https://github.com/CMRR-C2P/MB) (Feinberg et al. 2010 ; Moeller et al. 2010 ; Xu et al. 2013 ) (TR/TE = 1000 ms/32 ms, slice thickness = 3 mm, slice spacing 0.75 mm, in-plane dimensions 3 × 3 mm, flip angle = 90°, matrix = 64 × 64, multiband factor = 4, volumes = 480) was acquired during an eyes-open resting state: the participants were instructed to lie still and remain awake. A three-dimensional high resolution T1 magnetization-prepared rapid gradient-echo (MPRAGE) sequence (TR/TE = 1200/2.27, slice thickness = 1 mm, in-plane dimensions = 0.977 X 0.977 mm, flip angle = 9°, matrix=256 × 256) was acquired as an anatomical reference.

Reynolds B.B., Stanton A.N., Soldozy S., Goodkin H.P., Wintermark M, & Druzgal T.J. (2018). Investigating the effects of subconcussion on functional connectivity using mass-univariate and multivariate approaches. Brain imaging and behavior, 12(5), 1332-1345.

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Sparse Sampling fMRI Brain Imaging

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MRI data were obtained using The University of Reading's 3-T Siemens MAGNETOM Trio MRI scanner with Syngo software and a 12-channel head coil. A T1-weighted high-resolution scan of brain anatomy was acquired using an MPRAGE sequence with 1 mm 3 voxels (TR = 2020 ms, TE = 2.9 ms, flip angle = 9 • ). Two functional MRI scan runs were obtained in each participant which each comprised 120 whole-head T2*-weighted echo-planar images (TE = 30 ms). Within these runs, image volumes were acquired every 9 s with a silent delay of 7 s (i.e. sparse sampling) between volumes. Each volume comprised 2-s acquisition of 32 4-mm thick axial slices (in-plane resolution 3 mm × 3 mm). During the 7-s silent delay between measurements, subjects saw a stimulus via scanner-compatible goggles (NordicNeuroLab Visual System, SVGA, resolution: 800 (3×) × 600, 16.7 million colours, refresh rate: 75 Hz, field of view: 30 • horizontal, 23 • vertical) that was either a picture with a descriptive sentence (Sentence Reading condition), a picture with no text (Picture Description condition), or a blank screen (Baseline). A '+' appeared in the middle of the screen during the 2-s acquisition (see Fig. 1).

Ward D., Connally E.L., Pliatsikas C., Bretherton-Furness J, & Watkins K.E. (2015). The neurological underpinnings of cluttering: Some initial findings. Journal of fluency disorders, 43.

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