3t trio mr scanner

Manufactured by Siemens

Sourced in Germany

The 3T Trio MR scanner is a magnetic resonance imaging (MRI) system manufactured by Siemens. It operates at a magnetic field strength of 3 Tesla, which allows for high-quality imaging and detailed visualization of the body's internal structures. The 3T Trio MR scanner is designed to provide healthcare professionals with advanced diagnostic capabilities.

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Lab products found in correlation

12 channel head coil, by Siemens (2 mentions) Presentation software, by Neurobehavioral Systems (1 mentions) Braincap mr, by EASYCAP (1 mentions) Mr compatible eeg system, by Brain Products (1 mentions) Dedicated filler, by Siemens (1 mentions) 12 channel phased array coil, by Siemens (1 mentions) 32 channel head coil, by Siemens (1 mentions)

12 protocols using 3t trio mr scanner

Multimodal Neuroimaging Protocol for Face-House Perception

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MR images were acquired using a 3T Trio MR scanner (Siemens Medical
Systems, Erlangen, Germany) with a standard 32-channel radio-frequency head
coil. Stimulus presentation was controlled via Presentation software
(Neurobehavioral Systems Inc., Albany, CA), and the stimulus displays were
projected on a screen, located at a distance of approximately 120 cm (frame rate
= 60 Hz). All stimuli were presented on a gray background (RGB = 100, 100, 100).
The stimulus material comprised images of faces and houses as well as text
captions. A total of 252 face images and 252 house images were collected by
accessing publicly available databases and by downloading further images form
the Internet. These images were converted to gray scale and displayed at a scale
of 150 × 200 pixels (equivalent to 3.77 × 5.03° visual
angle). Text captions were displayed in white font (font type = Arial, font size
= 22, equivalent to 4.49 × 0.65°).

Muhle-Karbe P.S., Duncan J., De Baene W., Mitchell D.J, & Brass M. (2017). Neural Coding for Instruction-Based Task Sets in Human Frontoparietal and Visual Cortex. Cerebral cortex (New York, N.Y. : 1991), 27(3), 1891-1905.

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MRI Data Acquisition Protocol

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MRI data were collected with a Siemens 3 T Trio MR scanner using a 12-channel head coil. Anatomical images were obtained using a T1-weighted MPRAGE sequence (256 slices, voxel size = 1 × 1 × 1 mm³, TR = 2530 ms, FOV = 256 mm). Functional images were collected using a gradient echo-planar imaging sequence (33 slices, voxel size = 3 × 3 × 3.5 mm³, TR = 2000 ms, TE = 30 ms, flip angle = 79°). The slices covered the whole brain and were parallel to the AC-PC plane.

Bang J.W, & Rahnev D. (2021). Awake suppression after brief exposure to a familiar stimulus. Communications Biology, 4, 348.

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Functional Imaging of Whole Brain BOLD

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Functional imaging was performed on a 3T Trio MR Scanner (Siemens Medical Systems, Erlangen, Germany) equipped with a 12-channel head matrix coil and using echo-planar imaging (EPI) sensitive to BOLD contrast (whole brain, T2^*, voxel size: 3.4 × 3.4 × 3.3 mm³, matrix size 64 × 64, field of view [FoV] = 220 mm², 36 axial slices, slice gap = 0.3 mm, acquisition orientation: ascending, echo time [TE] = 30 ms, repetition time [TR] = 2 s, flip angle [α] = 77°, min. 773 volumes (range: 773–800), slice orientation: AC-PC).

Berthold-Losleben M., Habel U., Brehl A.K., Freiherr J., Losleben K., Schneider F., Amunts K, & Kohn N. (2018). Implicit Affective Rivalry: A Behavioral and fMRI Study Combining Olfactory and Auditory Stimulation. Frontiers in Behavioral Neuroscience, 12, 313.

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3T MRI Protocol for BOLD Imaging

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MRI scans were collected on a SIEMENS 3T Trio MR scanner. A 32-slice echo planar imaging-interleaved sequence was applied to acquire the blood oxygen level-dependent (BOLD) signals (TR = 6,000 ms; TA = 1,995 ms; TE = 30 ms; flip angle = 90°; field-of-view = 256×256 mm²; in-plane resolution = 3.125×3.125 mm², slice thickness = 4 mm, slice gap = 0.8 mm). The behavioral interleaved gradient imaging design was applied to allow for the presentation of the auditory stimuli without scanner background-noise interference. Structural images were acquired using T1-weighted MPRAGE MRI sequences with the following specifications: TR = 2000 ms; TE = 3.39 ms; flip angle = 9°; field of view = 256×256 mm²; voxel size = 1.3×1.0×1.3 mm³; slice number = 128.

Yu X., Raney T., Perdue M.V., Zuk J., Ozernov‐Palchik O., Becker B.L., Raschle N.M, & Gaab N. (2018). Emergence of the neural network underlying phonological processing from the prereading to the emergent reading stage: A longitudinal study. Human Brain Mapping, 39(5), 2047-2063.

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Simultaneous EEG-fMRI Acquisition in 3T MRI

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All EEG data were recorded simultaneously with fMRI recordings in a Siemens 3T Trio MR scanner (Germany). EEG data were acquired using an MR-compatible EEG system (Brain Products, Gilching, Germany). The EEG cap (BrainCap MR, EasyCap GmbH, Breitbrunn, Germany) included 63 scalp electrodes distributed according to the 10–20 system and one additional ECG electrode placed on the participants’ back. EEG signals were acquired relative to an FCz reference, with the ground in correspondence of Iz (10-5 electrode system). The EEG data were sampled at 5000 Hz, with a band-pass filtering of 0.016–250 Hz. The impedance at each electrode was kept lower than 10 kΩ.

Maggioni E., Arrubla J., Warbrick T., Dammers J., Bianchi A.M., Reni G., Tosetti M., Neuner I, & Shah N.J. (2014). Removal of Pulse Artefact from EEG Data Recorded in MR Environment at 3T. Setting of ICA Parameters for Marking Artefactual Components: Application to Resting-State Data. PLoS ONE, 9(11), e112147.

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Structural MRI Acquisition Protocol

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Subjects were scanned in a Siemens 3T Trio MR scanner using a 12-channel head coil. T1-weighted anatomical images were obtained using a multiecho magnetization-prepared rapid gradient echo (MPRAGE; 256 slices, voxel size = 1 × 1 × 1 mm³, TR = 2530 ms, FoV = 256 mm).

Bang J.W., Milton D., Sasaki Y., Watanabe T, & Rahnev D. (2019). Post-training TMS abolishes performance improvement and releases future learning from interference. Communications Biology, 2, 320.

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Diffusion Tensor Imaging of Whole Brain

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The MRI data were acquired on a Siemens 3T Trio MR scanner with a 12-channel phased array coil. DTI acquisition involved a single-shot, spin-echo planar imaging sequence in contiguous axial planes that covered the whole brain. Diffusion-sensitizing gradients were applied in 12 non-collinear directions, together with acquisition without diffusion weighting (b = 0). The imaging parameters were set to the following values: TR = 6,600 ms, TE = 89 ms, average = 4, b-value = 1,000 s/mm², slice thickness = 2.5 mm, 50 slices. The matrix resolution was acquired at 128 × 128 and reconstructed to 256 × 256. The resolution was 2 × 2 × 2.5 mm³. The subjects were told not to move during the scans, and a Siemens dedicated filler was used to prevent head movement. The acquisition time for the scan was 6 minutes and 5 seconds.

Lei D., Ma J., Du X., Shen G., Jin X, & Gong Q. (2014). Microstructural Abnormalities in the Combined and Inattentive Subtypes of Attention Deficit Hyperactivity Disorder: a Diffusion Tensor Imaging Study. Scientific Reports, 4, 6875.

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Multimodal Neuroimaging Protocol for TA Patients

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The Trio 3T MR scanner (Siemens Healthcare, Erlangen, Germany) was used for MRI scans Whole-brain T1 images were weighted using prepared magnetic gradient-echo images (MPRAGE). The corresponding metamorphic gradient echo sequence was conducted using the following parameters: repetition time (TR) 1,900 ms, echo time TE 2.26 ms, thickness 1.0 mm, gap 0.5 mm, acquisition matrix 256 × 256, the field of view (FOV) 250 mm × 250 mm and turning angle 9°. Functional images were then obtained using the gradient echo plane image sequence in the static scanning session with parameters TR 2,000 ms, TE 30 ms, thickness 4.0 mm, gap 1.2 mm, acquisition matrix 64 × 64, FOV 220 mm × 220 mm, turning angle 90° and 29 axial slices. In addition, all TA patients did not use other analgesic drugs during the rS-FMRI examination.

Yang J., Shao Y., Li B., Yu Q.Y., Ge Q.M., Li B., Pan Y.C., Liang R.B., Wu S.N., Li Q.Y, & He Y.L. (2022). Altered regional homogeneity of spontaneous brain activity in patients with toothache: A resting-state functional magnetic resonance imaging study. Frontiers in Neuroscience, 16, 1019989.

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Functional MRI Acquisition Protocol

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Brain scans were acquired on a Siemens Trio 3 T MR scanner at the Charité—Universitätsmedizin Berlin. For functional magnetic resonance imaging (fMRI), we used a blood oxygenation dependent (BOLD) sensitive, T2*-weighted, gradient-echo echo planar imaging (GE-EPI) pulse sequence covering the entire brain (28 slices, descending slice acquisition order, time to repetition = 2 s, time to echo = 30 ms, flip angle = 80°, matrix = 64 × 64, voxel size = 3 × 3 × 4 mm³, number of whole head scans: Reward task = 269, N-back task = 135, Faces task = 135, Theory of mind task = 239). In addition, a structural scan with an isotropic resolution of 1 mm³ (magnetization prepared rapid acquisition gradient-echo, MPRAGE) was acquired for anatomical reference and display purposes.

Daedelow L.S., Beck A., Romund L., Mascarell-Maricic L., Dziobek I., Romanczuk-Seiferth N., Wüstenberg T, & Heinz A. (2021). Neural correlates of RDoC-specific cognitive processes in a high-functional autistic patient: a statistically validated case report. Journal of Neural Transmission, 128(6), 845-859.

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Comparison of es-fMRI and rs-fMRI

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We compared our es-fMRI results with resting-state fMRI data (rs-fMRI) obtained pre-surgically from the same subject. Resting-state data were acquired with the Siemens Trio 3T MR scanner within 2 weeks before electrode implantation (eyes open with fixation cross presented on the display through a projector). Due to time constraints, we did not collect rs-fMRI data also in the same scanning session as the es-fMRI, but this will be an important future protocol to adopt, in order to ensure that rs-fMRI and es-fMRI data derive from patients in the same cognitive state.

Oya H., Howard M.A., Magnotta V.A., Kruger A., Griffiths T.D., Lemieux L., Carmichael D.W., Petkov C.I., Kawasaki H., Kovach C.K., Sutterer M.J, & Adolphs R. (2016). Mapping effective connectivity in the human brain with concurrent intracranial electrical stimulation and BOLD-fMRI. Journal of neuroscience methods, 277, 101-112.

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