Search Results - "Gabrielyan, Marianna"
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A perfusion phantom for ASL MRI based on impinging jets
Published in Magnetic resonance in medicine (01-08-2021)“…Purpose We present a novel perfusion phantom for validation of arterial spin labeled (ASL) perfusion MRI methods and protocols. Methods Impinging jets, driven…”
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Deep learning pipeline for cortical gray matter segmentation and thickness analysis in Ultra High Resolution T2w 7 Tesla Ex vivo MRI across neurodegenerative diseases reveals associations with underlying neuropathology
Published in Alzheimer's & dementia (01-12-2022)“…Background Ex vivo magnetic resonance imaging (MRI) enables detailed characterization of neuroanatomy (Augustinack et al. 2013), such as hippocampal subfields…”
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Associations of phosphorylated tau pathology with whole‐hemisphere ex vivo morphometry in 7 tesla MRI
Published in Alzheimer's & dementia (01-06-2023)“…Introduction Neurodegenerative disorders are associated with different pathologies that often co‐occur but cannot be measured specifically with in vivo…”
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Deep Learning for Ultra High Resolution T2‐weighted 7 Tesla Ex vivo Magnetic Resonance Imaging Reveals Differential Subcortical Atrophy across Neurodegenerative Diseases
Published in Alzheimer's & dementia (01-12-2022)“…Background Ex vivo magnetic resonance imaging (MRI) of the brain provides remarkable advantages over in vivo MRI for linking neuroanatomy and morphometry to…”
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Automated deep learning segmentation of high-resolution 7 Tesla postmortem MRI for quantitative analysis of structure-pathology correlations in neurodegenerative diseases
Published in Imaging neuroscience (Cambridge, Mass.) (08-05-2024)“…MRI allows brain anatomy to be examined at high resolution and to link pathology measures with morphometric measurements. However, automated segmentation…”
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Search for exotic transitions of muon neutrinos to electron neutrinos with MINOS
Published 31-10-2015“…The observed neutrino flavor transitions are currently explained by the three flavor neutrino oscillation phenomenon, considered to be the leading order…”
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Measurement of the induced polarization of Λ(1116) in kaon electroproduction with CLAS
Published 01-01-2012“…The CLAS Collaboration is using the p(e, e K+ p)π- reaction to perform a measurement of the induced polarization of the electroproduced Λ(1116). The…”
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Dissertation -
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Nuclear targets for a precision measurement of the neutral pion radiative width
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (21-12-2009)“…A technique is presented for precision measurements of the area densities, ρT, of approximately 5% radiation length carbon and 208Pb targets used in an…”
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Surface-based parcellation and vertex-wise analysis of ultra high-resolution ex vivo 7 tesla MRI in Alzheimer's disease and related dementias
Published 28-03-2024“…Magnetic resonance imaging (MRI) is the standard modality to understand human brain structure and function in vivo (antemortem). Decades of research in human…”
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Automated deep learning segmentation of high-resolution 7 T postmortem MRI for quantitative analysis of structure-pathology correlations in neurodegenerative diseases
Published 21-03-2023“…Postmortem MRI allows brain anatomy to be examined at high resolution and to link pathology measures with morphometric measurements. However, automated…”
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Journal Article -
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Gray Matter Segmentation in Ultra High Resolution 7 Tesla ex vivo T2w MRI of Human Brain Hemispheres
Published 14-10-2021“…Ex vivo MRI of the brain provides remarkable advantages over in vivo MRI for visualizing and characterizing detailed neuroanatomy. However, automated cortical…”
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Electroproduction of $\Lambda$(1405)
Published 08-08-2011“…The electroproduction of $K^+ \Lambda$ (1405) was studied by analyzing the E1F data set collected in Hall B at Jefferson Lab. The analysis utilized the decay…”
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Measurement of the generalized form factors near threshold via $\gamma^ p \to n\pi^+$ at high $Q^2
Published 04-01-2012“…We report the first extraction of the pion-nucleon multipoles near the production threshold for the $n\pi^+$ channel at relatively high momentum transfer…”
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Journal Article