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Mostrando 961 - 980 Resultados de 79,334 Para Buscar '"matter"', tiempo de consulta: 0.43s Limitar resultados
  1. 961
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    Why matter matters: 50 years of elementary particle physics : Festschrift Okun (Lev Borisovich)
  2. 962
    “…We developed a method to jointly map the white and grey matter contributing to each resting-state network (RSN). …”
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    Online Artículo Texto
    Atlasing white matter and grey matter joint contributions to resting-state networks in the human brain
  3. 963
    “…We aimed to provide detailed descriptions of white matter pathways across the lifespan by thoroughly characterizing white matter microstructure, white matter macrostructure, and morphology of the cortex associated with white matter pathways. …”
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    Online Artículo Texto
    White matter tract microstructure, macrostructure, and associated cortical gray matter morphology across the lifespan
  4. 964
    “…This study examined the association of a polygenic risk score for BD (BD-PRS) with grey matter structure and white matter integrity in youth with and without BD. 113 participants were included in the analyses, including 78 participants with both T1-weighted and diffusion-weighted MRI images, 32 participants with T1-weighted images only, and 3 participants with diffusion-weighted images only. …”
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    Online Artículo Texto
    Association of polygenic risk for bipolar disorder with grey matter structure and white matter integrity in youth
  5. 965
    “…INTRODUCTION: White matter (WM) perfusion measurements with arterial spin labeling can be severely contaminated by gray matter (GM) perfusion signal, especially in the elderly. …”
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    Online Artículo Texto
    Gray matter contamination in arterial spin labeling white matter perfusion measurements in patients with dementia()
  6. 966
    “…To facilitate quantification of cerebellum cerebral blood flow (CBF), studies were performed to systematically optimize arterial spin labeling (ASL) parameters for measuring cerebellum perfusion, segment cerebellum to obtain separate CBF values for grey matter (GM) and white matter (WM), and compare FAIR ASST to PICORE. …”
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    Online Artículo Texto
    Quantifying Cerebellum Grey Matter and White Matter Perfusion Using Pulsed Arterial Spin Labeling
  7. 967
    “…The aim of this study was to investigate relations between CHD and cortical thickness, gray matter volume and white matter lesion (WML) volume on MRI, considering CHD duration and blood pressure levels from midlife to three decades later. …”
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    Online Artículo Texto
    Coronary Heart Disease and Cortical Thickness, Gray Matter and White Matter Lesion Volumes on MRI
  8. 968
    “…This experiment hypothesized that there would be modifications in gray matter (GM) and white matter (WM) of the brain due to microgravity. …”
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    Online Artículo Texto
    Effect of Simulated Microgravity on Human Brain Gray Matter and White Matter – Evidence from MRI
  9. 969
    “…The current study aimed to explore the microstructural variations associated with MPD as measured with functional Magnetic Resonance Imaging (fMRI). Gray matter volume (GMV) and white matter (WM) integrity [four indices: fractional anisotropy (FA); mean diffusivity (MD); axial diffusivity (AD); and radial diffusivity (RD)] were calculated via voxel-based morphometry (VBM) and tract-based spatial statistics (TBSS) analysis, respectively. …”
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    Online Artículo Texto
    Altered Gray Matter Volume and White Matter Integrity in College Students with Mobile Phone Dependence
  10. 970
    “…Despite of the major role ascribed to marine dissolved organic matter (DOM) in the global carbon cycle, the reactivity of this pool in the dark ocean is still poorly understood. …”
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    Online Artículo Texto
    Deep-ocean dissolved organic matter reactivity along the Mediterranean Sea: does size matter?
  11. 971
    “…The presentation and distribution of gray matter (GM) and white matter (WM) abnormalities in temporal lobe epilepsy (TLE) have been widely studied. …”
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    Online Artículo Texto
    Gray Matter and White Matter Abnormalities in Temporal Lobe Epilepsy Patients with and without Hippocampal Sclerosis
  12. 972
    por Krichevsky, Anna M.
    Publicado 2007
    “…Missed by researchers for decades due to their tiny size, usually mapping to non-protein-coding regions of genomes, miRNAs and miRNA-mediated regulatory networks have been the “dark matter” of molecular biology. Deciphering miRNA pathways and functions in the CNS of complex organisms is tightly linked to understanding miRNA expression patterns. …”
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    Online Artículo Texto
    MicroRNA Profiling: From Dark Matter to White Matter, or Identifying New Players in Neurobiology
  13. 973
    “…We find that #AllLivesMatter facilitates opposition between #BlackLivesMatter and hashtags such as #PoliceLivesMatter and #BlueLivesMatter in such a way that historically echoes the tension between Black protesters and law enforcement. …”
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    Online Artículo Texto
    Divergent discourse between protests and counter-protests: #BlackLivesMatter and #AllLivesMatter
  14. 974
    “…We use structural MRI to identify regions of baseline differences and longitudinal changes in gray matter (GM) and white matter (WM) in presymptomatic GRN mutation carriers (pGRN+) compared to young controls (yCTL). …”
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    Online Artículo Texto
    Longitudinal structural gray matter and white matter MRI changes in presymptomatic progranulin mutation carriers
  15. 975
    “…MRI analyses included: a) structural MRI to assess grey matter (GM) volume and cortical thickness; b) arterial spin labelling (ASL) to quantify GM perfusion; and c) diffusion tensor imaging (DTI) to measure white matter (WM) integrity. …”
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    Online Artículo Texto
    Altered grey matter volume, perfusion and white matter integrity in very low birthweight adults
  16. 976
    “…White matter hyperintensities of presumed vascular origin are frequently observed on magnetic resonance imaging in normal aging. …”
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    Online Artículo Texto
    Oxygenation differs among white matter hyperintensities, intersected fiber tracts and unaffected white matter
  17. 977
    “…Quark nuggets are a candidate for dark matter, which has been a mystery for decades despite constituting ~ 85% of the universe’s mass. …”
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    Online Artículo Texto
    Radio frequency emissions from dark-matter-candidate magnetized quark nuggets interacting with matter
  18. 978
    “…Specifically, the proportion of local gray matter homogeneous connectivity versus long-range white-matter heterogeneous connectivity is varied by means of weight-based matrix thresholding, distance-based matrix trimming, and several types of matrix randomizations. …”
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    Online Artículo Texto
    Robustness of connectome harmonics to local gray matter and long-range white matter connectivity changes
  19. 979
    “…However, a significant fraction (≈ 30% or more) of the contacts typically reside in white matter or other areas of the brain which can not be epileptogenic themselves. …”
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    Online Artículo Texto
    Classification of Stereo-EEG Contacts in White Matter vs. Gray Matter Using Recorded Activity
  20. 980
    “…Here, we investigate the impact of the presence of white matter hyperintensities (WMHs) on FreeSurfer gray matter (GM) structure volumes and its possible bias on functional relationships. …”
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    Online Artículo Texto
    Beware of white matter hyperintensities causing systematic errors in FreeSurfer gray matter segmentations!
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