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Gray Matter

Towards joint morphometry of white matter tracts and gray matter surfaces

Towards joint morphometry of white matter tracts and gray matter surfaces

... Morphological studies of anatomical structures play an important role in neu- roimaging. For example in the analysis of the circuits connecting sub-cortical areas to the cortical surface one would like to study together ...

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Recommendations for the Use of Automated Gray Matter Segmentation Tools: Evidence from Huntington’s Disease

Recommendations for the Use of Automated Gray Matter Segmentation Tools: Evidence from Huntington’s Disease

... FigUre 2 | Continued Examples of the gray matter (GM) output from each tool overlaid on one participant from the Track-Huntington’s disease (HD) study. The figure shows three coronal views, with (a) showing ...

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Longitudinal gray matter contraction in three variants of primary progressive aphasia : a tensor-based morphometry study

Longitudinal gray matter contraction in three variants of primary progressive aphasia : a tensor-based morphometry study

... 91 disease pathology with an atypical presentation may be responsible 92 for lvPPA ( Josephs et al., 2008 ; Mesulam et al., 2008 ; Rabinovici et al., 93 2008b ; Rohrer et al., 2012 , 2013 ). 94 PPA syndromes can be quite ...

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Gray matter hypertrophy and thickening with obstructive sleep apnea in middle-aged and older adults

Gray matter hypertrophy and thickening with obstructive sleep apnea in middle-aged and older adults

... decreased gray matter volume and/or thickness in the same or adjacent regions as those reported in the present study (9, 11, 13-15, 30-32, 43, ...increased gray matter in contralateral brain ...

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Perfusion shift from white to gray matter may account for processing speed deficits in schizophrenia.

Perfusion shift from white to gray matter may account for processing speed deficits in schizophrenia.

... matter (WM). Patients with schizophrenia show significant deficits in WM integrity, as indexed by fractional anisotropy (FA) of water diffusion, and measured using diffusion tensor imaging (DTI). Reduced speed of ...

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Regional volumes and spatial volumetric distribution of gray matter in the gender dysphoric brain.

Regional volumes and spatial volumetric distribution of gray matter in the gender dysphoric brain.

... white matter tracts using diffusion ten- sor imaging have shown deviations from the natal sex in white matter microstructure in both female-to-males (FM) and male-to-females (MF) ( Rametti et ...

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Cortical gray-matter thinning is associated with age-related improvements on executive function tasks

Cortical gray-matter thinning is associated with age-related improvements on executive function tasks

... of gray-matter thinning in age-related improvements in cognitive control and working memory span in children ages 5–10, using structural ...in gray-matter thickness in prefrontal and parietal ...

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Geometrical variations in white and gray matter affect the biomechanics of spinal cord injuries more than the arachnoid space

Geometrical variations in white and gray matter affect the biomechanics of spinal cord injuries more than the arachnoid space

... Le´o Fradet 1,2 , Pierre-Jean Arnoux 2,3 , Virginie Callot 2,4 and Yvan Petit 2,5 Abstract Traumatic spinal cord contusions lead to loss of quality of life, but their pathomechanisms are not fully understood. Previous ...

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Changes in gray matter volume and functional connectivity in dementia with Lewy bodies compared to Alzheimer's disease and normal aging: implications for fluctuations

Changes in gray matter volume and functional connectivity in dementia with Lewy bodies compared to Alzheimer's disease and normal aging: implications for fluctuations

... and gray mat- ter volume in the DLB group, we found a weak negative correlation in the left inferior parietal lobule, the left and right cerebellum, the midbrain, the bilateral prefrontal cortex, and to a lesser ...

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Brain Metabolism but Not Gray Matter Volume Underlies the Presence of Language Function in the Minimally Conscious State (MCS): MCS+ Versus MCS− Neuroimaging Differences

Brain Metabolism but Not Gray Matter Volume Underlies the Presence of Language Function in the Minimally Conscious State (MCS): MCS+ Versus MCS− Neuroimaging Differences

... frontoparietal hypometabolism was reported in 69% of the MCS- patients against 24% of the MCS+ patients, showing the overall difference between the 2 subgroups. However, it also means that our results are not ...

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Numerical Transcoding Proficiency in 10-Year-Old Schoolchildren is Associated with Gray Matter Inter-Individual Differences: A Voxel-Based Morphometry Study

Numerical Transcoding Proficiency in 10-Year-Old Schoolchildren is Associated with Gray Matter Inter-Individual Differences: A Voxel-Based Morphometry Study

... in gray matter volume in schoolchildren? To our knowledge, this challenging question for neuroeducation has not yet been investigated in typical ...less gray matter volume in the parietal ...

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Numerical Transcoding Proficiency in 10-Year-Old Schoolchildren is Associated with Gray Matter Inter-Individual Differences: A Voxel-Based Morphometry Study

Numerical Transcoding Proficiency in 10-Year-Old Schoolchildren is Associated with Gray Matter Inter-Individual Differences: A Voxel-Based Morphometry Study

... in gray matter volume in schoolchildren? To our knowledge, this challenging question for neuroeducation has not yet been investigated in typical ...less gray matter volume in the parietal ...

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Associations between daily mood states and brain gray matter volume, resting-state functional connectivity and task-based activity in healthy adults

Associations between daily mood states and brain gray matter volume, resting-state functional connectivity and task-based activity in healthy adults

... Psychoeducation, University of Montreal, Montreal, QC, Canada, 5 Department of Psychology and Pediatrics, University of Montreal, Montreal, QC, Canada, 6 School of Public Health, Physiotherapy and Sports Science, ...

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Indetermination-free cytoarchitecture measurements in brain gray matter via a forward diffusion MRI signal separation method

Indetermination-free cytoarchitecture measurements in brain gray matter via a forward diffusion MRI signal separation method

... brain gray matter, which can be decomposed into three compartments, somas and processes that are modeled by spheres and 0-radius tubes, and extra-cellular ...

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Abnormal structural and functional brain connectivity in gray matter heterotopia

Abnormal structural and functional brain connectivity in gray matter heterotopia

... by gray matter nodules located along or extending from the walls of the lateral ventricles, and usually presents with the clinical triad of normal intelligence, epilepsy, and reading dysfluency (Chang et ...

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Cytoarchitecture Measurements in Brain Gray Matter using Likelihood-Free Inference

Cytoarchitecture Measurements in Brain Gray Matter using Likelihood-Free Inference

... Current microstructure models are predominantly based on the two com- partment Standard Model (SM) [18, 11]. Recent evidence shows that the SM, mainly used in white matter, does not hold for grey matter ...

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Brain gray matter MRI morphometry for neuroprognostication after cardiac arrest

Brain gray matter MRI morphometry for neuroprognostication after cardiac arrest

... We hypothesize that the use of cortical thickness measurement and subcortical gray matter quantitative volumetry could provide an accurate in vivo assessment of the impact of anoxic/hypoxic insult induced ...

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Transcriptomics of cortical gray matter thickness decline during normal aging.

Transcriptomics of cortical gray matter thickness decline during normal aging.

... Neurodegenerative aging is characterized by an abrupt decline in cognition and is associated with increased neuroinflammation, microglial activation, and accumulation of neuroinflammatory proteins and beta-amyloid ...

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Cortical spreading depression decreases Fos expression in rat periaqueductal gray matter

Cortical spreading depression decreases Fos expression in rat periaqueductal gray matter

... (periaqueductal gray matter) segments and Edinger – Westphal nucleus, EWn/3 N areas on a Fos-Ir transverse section of the region of interest (bregma ...

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Deep Learning Methods for MRI Spinal Cord Gray Matter Segmentation

Deep Learning Methods for MRI Spinal Cord Gray Matter Segmentation

... and gray matter in the ...Cord Gray Matter Segmentation Challenge" (SCGM Challenge) [2] to characterize the state- of-the-art and compare six independent developed methods ...

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