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quantitative MRI

Voxel-Based quantitative MRI reveals spatial patterns of grey matter alteration in multiple sclerosis

Voxel-Based quantitative MRI reveals spatial patterns of grey matter alteration in multiple sclerosis

... three quantitative MRI (qMRI) parameters —magnetization transfer (MT) saturation, longitudinal (R1), and effective transverse (R2*) relaxation rates, derived from data acquired during a single scanning ...

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Voxel-Based Quantitative MRI reveals spatial patterns of grey matter alteration in Multiple Sclerosis

Voxel-Based Quantitative MRI reveals spatial patterns of grey matter alteration in Multiple Sclerosis

... [2] Tabelow, K., et al. (2019) “HMRI – A Toolbox for Quantitative MRI in Neuroscience and Clinical Research.” NeuroImage, 194:191–210. https://doi.org/10.1016/j.neuroimage.2019.01.029 and htt ...

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Relationship between cerebral amyloid burden and cerebral microstructure measured by quantitative MRI in healthy aging

Relationship between cerebral amyloid burden and cerebral microstructure measured by quantitative MRI in healthy aging

... by quantitative MRI in healthy aging Pamela Villar González*, Daphne Chylinski, Justinas Narbutas, Maxime Van Egroo, Mariangela Cerasuolo, Gabriel Besson, Pouya Ghaemmaghami, Fabienne Collette, Eric Salmon, ...

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Fully Automatic Lesion Localization and Characterization: Application to Brain Tumors Using Multiparametric Quantitative MRI Data

Fully Automatic Lesion Localization and Characterization: Application to Brain Tumors Using Multiparametric Quantitative MRI Data

... through quantitative feature extraction ...standard MRI maps, while more advanced feature extraction techniques commit to a preliminary manual ROI ...3 MRI parameters maps to determine intra-tumoral ...

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Gray and White Matter Demyelination and Remyelination Detected with Multimodal Quantitative MRI Analysis at 11.7T in a Chronic Mouse Model of Multiple Sclerosis

Gray and White Matter Demyelination and Remyelination Detected with Multimodal Quantitative MRI Analysis at 11.7T in a Chronic Mouse Model of Multiple Sclerosis

... The cuprizone (CPZ) mouse model is frequently used to recapitulate demyelination that occurs in MS. Cuprizone is a copper chelator (biscyclohexanone oxaldihydrazone) that causes cell death of the oligodendrocytes, ...

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A Bayesian Model to Assess T2 Values and Their Changes Over Time in Quantitative MRI

A Bayesian Model to Assess T2 Values and Their Changes Over Time in Quantitative MRI

... Service de Neurologie, Rennes, France Abstract. Quantifying T 2 and T 2 ∗ relaxation times from MRI becomes a standard tool to assess modifications of biological tissues over time or differences between ...

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Quantitative MRI : towards fast and reliable T₁, T₂ and proton density mapping at ultra-high field

Quantitative MRI : towards fast and reliable T₁, T₂ and proton density mapping at ultra-high field

... available quantitative NMR parameters and leave the physician with only qualitative and limited information to assess the course of a disease or ...NMR quantitative parameters, conventional methods exist ...

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Beyond 256 shades of grey: Quantitative MRI for probing brain microstructure

Beyond 256 shades of grey: Quantitative MRI for probing brain microstructure

... ▶ Martina F Callaghan, John Ashburner (University College London, London, United Kingdom). ▶ Karsten Tabelow (Weierstrass Institute for Applied Analysis and Stochastics, Berlin, German[r] ...

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MRI atlas of the human hypothalamus.

MRI atlas of the human hypothalamus.

... bodies, MRI studies show that the volume of the paraventricular nucleus of the hypothalamus is abnormally enlarged in schizophrenia, which is associated with high rates of endocrine disorders (Goldstein et ...

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Compressed quantitative acoustic microscopy

Compressed quantitative acoustic microscopy

... using a 250 MHz transducer resulting in 3D RF data cubes. Each RF signal is processed to obtain, for each spatial location, acoustic parameters, e.g., the speed of sound. The scanning time is directly dependent on the ...

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Brain microstructure mapping using quantitative and diffsusion MRI

Brain microstructure mapping using quantitative and diffsusion MRI

... In Proceedings of the International Society Magnetic Resonance in Medicine Workshop : Diffusion as a probe of neural tissue microstructure, 2013b.. Axon diameter mapping : Gaussian phase [r] ...

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Semantic description of brain MRI images

Semantic description of brain MRI images

... proposed approach is to partially automatize the annotation of the semantic content of anatomical images. This capability paves the way of new applications such as similar case retrieval for decision support, or ...

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Challenges for molecular neuroimaging with MRI

Challenges for molecular neuroimaging with MRI

... in MRI scanners and spatially targeted to discrete brain regions on a millimeter scale in rodents, making FUS considerably more versatile than hyperosmotic shock ...

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Volume coil for MRI based on metasurface

Volume coil for MRI based on metasurface

... The opencage is capable to scan half of the body of a mouse. The field of view provided by the opencage is broad enough to cover the full head of a small animal. Here the spin echo sequence is used with anisotropic voxel ...

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Compressed quantitative acoustic microscopy

Compressed quantitative acoustic microscopy

... Quantitative acoustic microscopy (QAM) is an imaging technology employed to investigate soft biological tissue at microscopic resolution by eliciting its mechanical property with very high frequency ultrasound ...

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Quantitative assessment of collaboration

Quantitative assessment of collaboration

... and quantitative indices in order to draw a more general model of collaborative activities and allow the design of more efficient collaborative media and ...

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Measurement of Tongue Tip Velocity from Real-Time MRI and Phase-Contrast Cine-MRI in Consonant Production

Measurement of Tongue Tip Velocity from Real-Time MRI and Phase-Contrast Cine-MRI in Consonant Production

... For the proposed method, it is especially important to pay attention to the time resolution. The phase contrast cine-MRI enables obtaining one speech cycle that contains information from multiple repetitions, ...

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Planning for Bone Excision in Ewing Sarcoma: Post-Chemotherapy MRI More Accurate Than Pre-Chemotherapy MRI Assessment

Planning for Bone Excision in Ewing Sarcoma: Post-Chemotherapy MRI More Accurate Than Pre-Chemotherapy MRI Assessment

... on MRI may be related to tumor development but also to perilesional ...pre-chemotherapy MRI or as defined on the post-chemotherapy MRI, with the latter typically supporting a lesser and better defined ...

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A quantitative KAM theorem

A quantitative KAM theorem

... restrictive. Quantitative conditions for the KAM stability have been established using computer-assisted proofs, for similar systems (obtained by truncating the plane circular restricted three-body problem) ...

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Compositionality for Quantitative Specifications

Compositionality for Quantitative Specifications

... with quantitative information, such as rewards, time or en- ...for quantitative non-deterministic systems. Our quantitative framework has close connections to the modal nu-calculus and is ...

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