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Dataset results
258 results for “phantom”
Data from: A rotational cylindrical fMRI phantom for image quality control
Purpose: A novel phantom for image quality testing for functional magnetic resonance imaging (fMRI) scans is described. Methods: The cylindrical, rotatable, ~4.5L phantom, with eight wedge-shaped compartments, is used to simulate rest and activated states. The compartments contain NiCl2 doped agar gel with alternating concentrations of agar (1.4%, 1.6%) to produce T1 and T2 values approximating brain grey matter. The Jacard index was used to compare the image distortions for echo planar imaging (EPI) and gradient recalled echo (GRE) scans. Contrast to noise ratio (CNR) was compared across the imaging volume for GRE and EPI. Results: The mean T2 for the two agar concentrations were found to be 106.5±4.8, 94.5±4.7 ms, and T1 of 1500±40 and 1485±30 ms, respectively. The Jacard index for GRE was generally found to be higher than for EPI (0.95 versus 0.8). The CNR varied from 20 to 50 across the slices and echo times used for EPI scans, and from 20 to 40 across the slices for the GRE scans. The phantom provided a reproducible CNR over 25 days. Conclusions: The phantom provides a quantifiable signal change over a head-size imaging volume with EPI and GRE sequences, which was used for image quality assessment.
CBCT projections of both geometric and anthropomorphic numerical phantoms generated with Fastcat
Open the record for dataset details and reuse information.
Measurement data in fat/water phantoms and human livers
<p>Measurements in table format</p> <p>Phantom complex images in a Matlab file</p>
Initial conditions for galaxy merger setup in the Phantom smoothed particle hydrodynamics and magnetohydrodynamics code
<p>** these files are downloaded automatically by Phantom when running the code **</p> <p>The two files here contain initial conditions (particle positions, velocities etc) for the sample galaxy merger simulation shown in Figure 55 of the Phantom code paper (<a href="http://adsabs.harvard.edu/abs/2018PASA...35...31P">Price et al. 2018</a>). They were created by James Wurster as part of a code comparison with the Hydra code described in section 6.4 of the paper.</p> <p>The files were originally created for use in <a href="http://adsabs.harvard.edu/abs/2013MNRAS.431..539W">Wurster & Thacker (2013)</a></p> <p>For details of how to read these files, see the Phantom source code (<a href="https://github.com/danieljprice/phantom/blob/master/src/setup/setup_galaxies.f90">setup_galaxies.f90</a>)</p>
Emergence timing and voltinism of phantom midges, Chaoborus spp., in the UK., supplementary data
<p>Supporting water quality, environmental and biological data for draft manuscript.</p>
Monte Carlo simulated absorbed dose distributions inside BluePhantom2 water phantom with PMMA walls for 220 MeV pencil proton beam
<p>This dataset consists of Monte Carlo simulated dose distributions inside 65x62x55 cm<sup>3</sup> BluePhantom<sup>2</sup> water phantom with PMMA walls for 220 MeV pencil proton beam. Contribution to the absorbed dose is provided separately for protons, photons+electron, and neutrons. Neutron and the total equivalent dose is also provided.</p> <p>Monte Carlo simulations used the MCNP6.2 code. Libraries used: HLIB=70h NLIB=00c PLIB=14p ELIB=03e PNLIB=70u. Particle cut-off energies used: CUT:P 4 keV, CUT:H 300 keV, CUT:E 2 keV, CUT:T,A,D,S,|,# j 1 MeV. Primary beam: monoenergetic 220 MeV proton pencil beam, beam profile full-width at half maximum = 1.5 cm.</p> <p>This is the result of the EMPIR 18HLT04 UHDpulse project.<br> </p>
Fig. 1 in The ecological role of immature phantom midges (Diptera: Chaoboridae) in the Eocene Lake Messel, Germany
Fig. 1. The geographic position of Lake Messel during the Eocene. White indicates sea, grey indicates land during the Eocene. The outlines of present-day northern Europe are superimposed. Modified after Franzen (1992).
Varian CBCT resolution phantom
<p>This is a Varian CBCT dataset, measured with a resolution phantom.</p> <p>This dataset includes reconstruction image, calibrations, and projections</p>
Accurate DCE-MRI Measurement of Glioblastoma Using Point-of-care Portable Perfusion Phantom
ClinicalTrials.gov study NCT05140902. IPD Sharing: NO. Countries: 1. Publications: 0.
A Non-invasive Intervention (BreEStim) for Management of Phantom Limb Pain (PLP) After Limb Amputation (Experiment 1)
ClinicalTrials.gov study NCT04750525. IPD Sharing: NO. Countries: 1. Publications: 0.
Genetics and Phantom Limb Pain
ClinicalTrials.gov study NCT01517061. IPD Sharing: Not stated. Countries: 0. Publications: 3.
Investigating The Effect of Phantom Sensation on Gait in Individuals With Unilateral Below-Knee Amputation
ClinicalTrials.gov study NCT05177341. IPD Sharing: UNDECIDED. Countries: 0. Publications: 1.
Virtual Reality for Phantom Limb Pain
ClinicalTrials.gov study NCT02784548. IPD Sharing: NO. Countries: 1. Publications: 0.
Effect of Prophylactic TMR and RPNI on Neuroma and Phantom Limb Pain
ClinicalTrials.gov study NCT05344261. IPD Sharing: NO. Countries: 0. Publications: 7.
Predicting Pain Response to Transcranial Direct Current Stimulation for Phantom Limb Pain in Limb Amputees
ClinicalTrials.gov study NCT02627495. IPD Sharing: Not stated. Countries: 1. Publications: 0.
A Non-invasive Intervention (BreEStim) for Management of Phantom Limb Pain (PLP) After Limb Amputation (Experiment 2)
ClinicalTrials.gov study NCT04750538. IPD Sharing: NO. Countries: 1. Publications: 0.
Epidural Spinal Cord Stimulation for Sensory Restoration and Phantom Limb Pain in Upper-Limb Amputees
ClinicalTrials.gov study NCT02684201. IPD Sharing: YES. Countries: 1. Publications: 0.
Telerehabilitation Using Mirror Therapy in Patients With Phantom Limb Pain Following Lower Limb Amputation.
ClinicalTrials.gov study NCT02076490. IPD Sharing: Not stated. Countries: 0. Publications: 1.
Naval Medical Center San Diego (NMCSD) - Ambulatory Continuous Peripheral Nerve Blocks for Treatment of Post-Amputation Phantom Limb and Stump Pain
ClinicalTrials.gov study NCT00768248. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Eye Gaze Guidance Evaluation in Phantoms
ClinicalTrials.gov study NCT07174479. IPD Sharing: YES. Countries: 1. Publications: 0.
ScienceDex guides
Understand access before you commit
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.