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gray matter

Gray Matter Pathology in MS: A 3 Year Longitudinal Study in a Pediatric Population

Gray Matter Pathology in MS: A 3 Year Longitudinal Study in a Pediatric Population

... terest was manually drawn around each identified CL, which was then segmented using a thresholding technique based on the Fuzzy C- means algorithm, part of the Medical Images Processing, Analysis, and Visualization ...

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Gray Matter and White Matter Segmentation from MRI Brain Images Using Clustering Methods

Gray Matter and White Matter Segmentation from MRI Brain Images Using Clustering Methods

... segmentation gray matter and white matter regions from MRI brain images using Fuzzy c-Means (FCM) and Kohonen means (k-Means) clustering ...of gray matter and white matter using ...

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Determination of Gray Matter (GM) and White Matter (WM) Volume in Brain Magnetic Resonance Images (MRI)

Determination of Gray Matter (GM) and White Matter (WM) Volume in Brain Magnetic Resonance Images (MRI)

... of gray matter (GM) volume in brain magnetic resonance images (MRI) has become an important measurement tool for multiple sclerosis (MS) patient monitoring and ...white matter (WM) disease, with ...

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MR volume segmentation of gray matter and white matter using manual thresholding: dependence on image brightness

MR volume segmentation of gray matter and white matter using manual thresholding: dependence on image brightness

... The purpose of this study was to present a method for quantitative segmentation of cerebrospinal fluid CSF, gray matter, and white matter volumes from live human subjects using magnetic [r] ...

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The Contributions of MRI Based Measures of Gray Matter, White Matter Hyperintensity, and White Matter Integrity to Late Life Cognition

The Contributions of MRI Based Measures of Gray Matter, White Matter Hyperintensity, and White Matter Integrity to Late Life Cognition

... white matter in- tegrity has no direct bearing on late-life cognition; indeed, WMHs have been shown to impact cognitive function in the absence of severe GM atrophy, 37 and white matter injury may in fact ...

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Ascl1 controls the number and distribution of astrocytes and oligodendrocytes in the gray matter and white matter of the spinal cord

Ascl1 controls the number and distribution of astrocytes and oligodendrocytes in the gray matter and white matter of the spinal cord

... Fig. 1 . Ascl1 is transiently expressed in glial progenitor and precursor cells in the developing mouse spinal cord. Immunofluorescence for Ascl1 (green) and glial lineage markers (red) on thoracic spinal cord sections ...

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Subcortical heterotopic gray matter brain malformationsClassification study of 107 individuals

Subcortical heterotopic gray matter brain malformationsClassification study of 107 individuals

... All patients selected for review underwent at least 1 T1- weighted (2D or volumetric) sequence and 1 T2-weighted sequence, and all underwent imaging in at least 2 planes. All available images were reviewed using a ...

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Gray matter covariance networks in the mouse brain

Gray matter covariance networks in the mouse brain

... of gray matter covariance networks, and generate novel hypothesis about the etiopathological origin of aberrant scMRI findings in human brain diseases (Alexander-Bloch, Giedd et ...scMRI gray ...

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Altered Gray Matter Volume and White Matter Integrity in College Students with Mobile Phone Dependence

Altered Gray Matter Volume and White Matter Integrity in College Students with Mobile Phone Dependence

... (MathWorks Inc., Natick, MA, USA), and were first displayed to check for artifacts and gross anatomical abnormalities. Scans were manually co-registered and realigned to anterior commissure-posterior commissure line, ...

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Towards Precision Psychiatry: 
gray Matter Development And Cognition In Adolescence

Towards Precision Psychiatry: 
gray Matter Development And Cognition In Adolescence

... Structural neuroimaging provides insights into the spectrum of typical and non-typical brain and neurocognitive development. T1-weighted imaging is the most commonly acquired MRI sequence and offers high-resolution, low- ...

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Long-term cerebral white and gray matter changes after preeclampsia

Long-term cerebral white and gray matter changes after preeclampsia

... cortical gray matter but not total brain. Our finding of reduced total gray matter with similar subcortical volumes supports a spe- cific reduction in cortical volumes, while the similar total ...

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Diffusion Abnormality of Deep Gray Matter in External Capsular Hemorrhage

Diffusion Abnormality of Deep Gray Matter in External Capsular Hemorrhage

... F IG 3. Patient 8. A 66-year-old man with late subacute intracerebral hematoma on MR images obtained 30 days after symptom onset. A, T1-weighted image (top left) shows hyperintensity of the hematoma mainly in the left ...

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Gray matter correlates of cognitive ability tests used for vocational guidance

Gray matter correlates of cognitive ability tests used for vocational guidance

... between gray matter and these primary group factors were found in numerous areas distributed throughout the brain ...that gray matter in some brain areas was uniquely correlated to one factor ...

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Iron and Volume in the Deep Gray Matter: Association with Cognitive Impairment in Multiple Sclerosis

Iron and Volume in the Deep Gray Matter: Association with Cognitive Impairment in Multiple Sclerosis

... deep gray matter atrophy and cognitive dysfunction in ...deep gray matter is higher in patients with MS compared with age- and sex-matched healthy controls, and could contribute to disease ...

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Cerebral gray matter volume in patients with chronic migraine: correlations with clinical features

Cerebral gray matter volume in patients with chronic migraine: correlations with clinical features

... abnormal gray matter (GM) volume in areas ascribable to the pro- cessing of pain [2–6] and multisensory integration [5] in patients with CM versus healthy ...white matter (WM) abnormalities ...

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Sex differences in gray matter volume: how many and how large are they really?

Sex differences in gray matter volume: how many and how large are they really?

... obtain gray matter volumes corrected for individual TIV size (hereinafter, referred to as “VBM8- adjusted ...into gray matter, white matter, and cerebrospinal fluid; (2) registration to ...

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Gray Matter Volume Reduction Is Associated with Cognitive Impairment in Neuromyelitis Optica

Gray Matter Volume Reduction Is Associated with Cognitive Impairment in Neuromyelitis Optica

... mean gray matter volume of the whole brain (P ⬍ ...significant gray matter volume reduction in neuromyelitis optica affected the frontal and temporal cortices and the right thalamus (false ...

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Altered small-world properties of gray matter networks in breast cancer

Altered small-world properties of gray matter networks in breast cancer

... global gray matter atrophy is associated with focal and global white matter damage due in part to the transection of axons and subsequent retrograde neuronal loss ...white matter damage ...

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Gray matter imaging in multiple sclerosis: what have we learned?

Gray matter imaging in multiple sclerosis: what have we learned?

... white matter (WM) was considered the most important pathological ‘ hallmark ’ of multiple sclerosis ...the gray matter (GM) of MS patients, the topic was largely ...

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Longitudinal Study of Gray Matter Changes in Parkinson Disease

Longitudinal Study of Gray Matter Changes in Parkinson Disease

... RESULTS: Gray matter volume changes for patients with Parkinson disease were detected with decreased gray matter volume in the frontotemporoparietal areas and the bilateral caudate, with ...

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