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59 results for “7T”
newbi4fmri2020 Variant9 7T
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Auditory localization with 7T fMRI
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High-field 7T Visual fMRI Datasets
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CEREBRUM-7T: Fast and Fully-volumetric Brain Segmentation of 7 Tesla MR Volumes
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Dataset Comparison of MRI-based automated segmentation methods and functional neurosurgery targeting with direct visualization of the Ventro-intermediate thalamic nucleus at 7T
<p>Scientific Reports - Nature - DOI : 10.1038/s41598-018-37825-8</p> <p>##################################<br> "Comparison of MRI-based automated segmentation methods and functional neurosurgery targeting with direct visualization of the Ventro-intermediate thalamic nucleus at 7T"<br> ##################################</p> <p>E. Najdenovska*, C. Tuleasca*, J. Jorge, P. Maeder, J.P. Marques, T. Roine, D. Gallichan, J.-P. Thiran, M. Levivier, and M. Bach Cuadra</p> <p>*Equally contributed authors</p> <p><br> Copyright (c) - All rights reserved. University of Lausanne. 2018.</p> <p><br> To reproduce the analyses presented in the referred study, in this repository you could find the MR images acquired from nine young healthy subjects (YS1-YS5), four elderly healthy subject (ES1-ES4) and two drug-resistant tremor patients treated treated with Vim radiosurgery by Gamma Knife (P1 and P2).</p> <p>The provided dataset includes the following NifTI files:</p> <p>- MPRRAGE @3T<br> - DWI @3T (together with the corresponding bvals and bvecs)<br> - MP2RAGE @7T<br> - SWI @7T<br> - binary masks of the manual delineation of both left and right Vim respectively that were done on the SWI (as NifTI files as well).</p> <p>Additionally, for the young cohort (YS1-YS5) we include as well the images used for building the quadrilateral of Guiot:<br> - T2-w @3T<br> - T2 CISS @3T</p> <p>For the patients (P1 and P2), a follow-up MPRAGE (acquired at 3T) with Gadolinium enhancement is also provided.</p> <p>——————————————<br> Notes:<br> 1. For YS3 MP2RAGE at 7T is missing, instead MPRAGE at 3T was used</p> <p>2. The code performing the thalamic nuclei clustering could be found in Zenodo (DOI: 10.5281/zenodo.123768)</p>
Robust functional mapping of layer-selective responses in human lateral geniculate nucleus with high-resolution 7T fMRI
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7T MRI raw data for: A novel phantom with dia- and paramagnetic substructure for quantitative susceptibility mapping and relaxometry
<p>MRI 7 T raw data for the publication 'A novel phantom with dia- and paramagnetic substructure for quantitative susceptibility mapping and relaxometry', in which a phantom was presented that allows for an experimental evaluation of QSM reconstruction algorithms. The phantom contains susceptibility producing particles with dia- and paramagnetic properties embedded in an MRI visible medium (gelatin and agarose gel) and is suitable to assess the performance of algorithms that attempt to separate isotropic dia- and paramagnetic susceptibility at the sub-voxel level. This dataset only contains additional raw data for a phantom that only contains diamagnetic and paramagnetic particles, respectively.</p>
ODC mapper 7T surface coil
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Increased Cardiac Pi/PCr in the Diabetic Heart Observed Using Phosphorus Magnetic Resonance Spectroscopy at 7T
<p>The uploaded data relate to the work of Valkovič et al. entitled "Increased Cardiac Pi/PCr in the Diabetic Heart Observed Using Phosphorus Magnetic Resonance Spectroscopy at 7T." submitted in 2022<br> The data consist of the anonymised in vivo data of healthy volunteers and T2DM patients, in Siemens DICOM format, acquired as described in the manuscript. The uploaded data also include all analysed STEAM data results with visualised MR spectra and fitted values of PCr and Pi, used for Pi/PCr calculation.</p>
MTL subregion segmentation atlas with 7T and 3T multi-modality MRI
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7T MRSI (HFMRC, MU Vienna) Example Data: Raw MM Spectra
<p>Data from the Vienna 7T MRSI group<br> Contact: wolfgang.bogner@meduniwien.ac.at , mpovaza1@jhmi.edu</p> <p>Format: JMRUI text file</p> <p>Field strength: 7T</p> <p>Scanner type: Siemens 7T Magnetom</p> <p>Sequence type: Double Inversion Recovery single-slice FID-MRSI, cartesian phase encoding</p> <p>Technique: Metabolite Nulling Using Double Inversion Recovery</p> <p>Spectrum Type: Metabolite-Nulled Macromolecular spectrum</p> <p>Pre-processing: Spectra summed across chosen ROI / Metabolite Residuals Removed using AMARES</p> <p>Subjects: Healthy young (25-35y) volunteers</p> <p>Acquisition date: 2014-2015</p> <p>Details on the acquisition and pre-processing of these datasets can be found in 1. (Považan et al., NI, 2015). In case of further questions, please contact authors.</p> <p> </p>
(Dataset) Analysis code for the paper "RF shimming in the cervical spinal cord at 7T"
Dataset provided for NeuroLibre preprint. Author repo: https://github.com/shimming-toolbox/rf-shimming-7t NeuroLibre fork:https://github.com/roboneurolibre/rf-shimming-7t <p>For details, please visit the corresponding <a href="https://github.com/neurolibre/neurolibre-reviews/issues/25">NeuroLibre technical screening.</a></p> <p><strong><a href="https://neurolibre.org" target="NeuroLibre">https://neurolibre.org</a></strong></p>
7T Whole Body DMI Proposal Preliminary Data (Brain, Liver, Muscle, Heart)
<p>Deuterium 2H-MRSI preliminary spectra acquired in vivo (brain, liver, heart, muscle) using 3D chemical shift imaging. Matrix size: 16x16x14, 12 mm isotropic, TR=350 ms, TA= 14 min. </p>
Using a whole-body 31P birdcage transmit coil and 16-element receive array for human cardiac metabolic imaging at 7T
<p>The uploaded data relate to the PLoS ONE manuscript of Valkovič et al. entitled "Using a whole-body 31P birdcage transmit coil and 16-element receive array for human cardiac metabolic imaging at 7T." 2017<br> The data consist of the models used for simulating electromagnetic fields, in CST Studio 2016 format, for the whole-body coil and the surface coil, and of the the phantom and anonnymised in vivo data, in Siemens DICOM format, acquired as described in the manuscript.</p>
Cardiac Cine MRI images and labels of Sus scrofa at 7T
<p>Cardiac Cine MRI images and labels of Sus scrofa at 7T. See <a href="https://github.com/chfc-cmi/cmr-cine-sscrofa/tree/master">repository on GitHub</a>.</p>
FID-MRSI (HFMRC, MU Vienna) Example Data: FID-MRSI basis sets with measured MM - 3T & 7T
<p>Data from the Vienna 7T MRSI group<br> Contact: wolfgang.bogner@meduniwien.ac.at , mpovaza1@jhmi.edu</p> <p>Format: LCModel .basis and .RAW</p> <p>Field strength: 3T / 7T</p> <p>Macromolecules: Yes, Measured</p> <p>Sequence: FID-MRSI</p> <p>Acquisition delay: 0ms / 1.3ms / 1.5ms</p> <p>Vendor: Siemens</p> <p>Basis set consisting of metabolite resonances simulated in NMR-Scope(-B) and measured macromolecules. For more information, please contact authors.</p>
In-vivo, high-resolution black-blood MRI in healthy rats at 7T
<p>Raw data, which were used to obtain the results shown in the article "In-vivo, high-resolution black-blood MRI in healthy rats at 7T".</p>
Improving robustness of 3D multi-shot EPI by structured low-rank reconstruction of segmented CAIPI sampling for fMRI at 7T
<p>This dataset includes the k-space data of two 2D sagittal slices from the conventional and seg-CAIPI(8,3) 3D multi-shot EPI datasets, as well as the coil sensitivity maps. The conventional sampling corresponds to seg-CAIPI(2,1). These two 3D multi-shot EPI datasets were acquired at 1.8mm isotropic resolution and acceleration factor R=2x2. Other protocol parameters are: matrix size=116x116x96, 40 volumes, TE/TR=23/55ms. </p>
Quantitative CBF values across different off-resonance correction methods used in 7T PCASL
<p>The data correspond to the underlying plots depicted in Figure 7 of the paper titled 'Dynamic B0 field shimming for improving pseudo-continuous arterial spin labeling at 7 Tesla'."</p>
Gray Matter Demyelination in Primary Progressive MS at 7T
ClinicalTrials.gov study NCT04977622. IPD Sharing: NO. Countries: 1. Publications: 11.
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.