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163 results for “tensor”
Velocity fields of permeability tensor simulations on Hungarian Sandstone samples
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High-rate GNSS data in seismic moment tensor inversion. The study of anthropogenic earthquakes - GNSS displacement time series
<p>The dataset of GNSS displacement time series with duration of 30 seconds before and 90 seconds after the origin time of the mining tremors. The dataset was used in the research on High-rate GNSS data in seismic moment tensor inversion. The study of anthropogenic earthquakes.</p> <p>Further description of the HR-GNSS processing can be found in the paper by Kudlacik et al. (2021) and in the research paper "High-rate GNSS data in seismic moment tensor inversion. The study of anthropogenic earthquakes".</p>
Muscle Diffusion Tensor Imaginig in Facioscapulohumeral muscular dystrophy
<p>Introduction/Aims</p> <p>Muscle diffusion tensor imaging (mDTI) has not yet been explored in facioscapulohumeral muscular dystrophy (FSHD). We aimed to assess diffusivity parameters in FSHD subjects compared to healthy controls (HCs), with regard to their ability to precede any fat replacement process in the muscle.</p> <p>Methods</p> <p>Fat Fraction (FF), water T2 (wT2), Mean, Radial and Axial Diffusivity (MD, RD, AD) and Fractional Anisotropy (FA) of thigh muscles were calculated in a cohort of ten FSHD subjects and fifteen age-matched HCs. All parameters were compared between FSHD subjects and controls, exploring also their values along the main axis of the muscle. Diffusivity parameters were tested as predictors of disease involvement in muscle compartments with no significant fat substitution and edema. Whole-thigh mDTI values were correlated to clinical severity scores.</p> <p> </p> <p>Results</p> <p>FF and wT2 were significantly higher in FSHD than controls whereas MD, RD and AD were significantly lower than controls (p < .05). No difference with controls was shown for FA. FF positively correlated with FA and negatively with MD, RD and AD. FF and FA showed significantly higher values distally than proximally. whereas wT2, MD, RD, AD showed lower values distally than proximally (p<.05). Muscles with no significant fat replacement or edema showed a significantly lower AD and FA than controls. FA was the only parameter to positively correlate with the 6-Minute Walking Test.</p> <p> </p> <p>Discussion</p> <p>Our results suggest that mDTI parameters appear to predominantly reflect fat replacement in FSHD and might be able to show disease involvement in muscles even before significant fat replacement.</p>
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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.