Sentences with phrase «white matter volume»

Thus, neither caregiving behaviors, education, nor life stress mediated the relationship between the income - to - needs ratio and cortical gray or white matter volume.

The income - to - needs ratio was entered at step 2 and was a positive predictor of white matter volume, accounting for a significant increase in variance (change F1, 137 = 8.12, P =.005).

White matter volume was calculated by subtracting the subcortical and ventricular volumes from the volume bounded by the white matter surface.

For analyses of white matter volume, children's age and pubertal status were also included as covariates.

A growing body of literature documents age - related increases in white matter volume (Lenroot and Giedd, 2006), which may be related to increases in long - range functional connectivity from childhood through adolescence and into adulthood (Fair et al., 2008; Kelly et al., 2009).

Age - related effects in the neocortical organization of chimpanzees: gray and white matter volume, cortical thickness, and gyrification.

Vertex - and atlas - based comparisons in measures of cortical thickness, gyrification and white matter volume between humans and chimpanzees.

Though much of the concern in the media regarding the toxic effects of Zika virus has focused on brain findings of microcephaly, the researchers noted that there are a variety of brain abnormalities that can be found in fetuses exposed to the virus, including gray and white matter volume loss, brainstem abnormalities, calcifications, and a condition called ventriculomegaly, where the ventricles, or fluid filled spaces in the brain, are enlarged.

The researchers found that the developmental course of the children's white matter volume predicted the kindergarteners» abilities to read.

Total gray and white matter volumes were obtained using FreeSurfer version 5.1.

Not exact matches

The researchers examined total cerebral volume, frontal lobe volume, temporal lobe volume, hippocampal volume and white matter hyper - intensity volume in patients without prior stroke or dementia.

«We're measuring such variables as prefrontal cortex volume and white matter integrity.

By multiplying the density of the newfound cool dwarfs by the volume of the galactic halo, Oppenheimer's team estimates that white dwarfs make up, by the most conservative estimate, at least 3 % of the total galactic dark matter, they report online in Science on 23 March.

In addition, brain imaging studies in rats and humans have shown alterations in gray matter volume and white matter integrity in the brain caused by the effects of chronic pain.

When the investigators analysed MRI studies of the brain, they found that participants with MCI, particularly those with non-amnestic MCI, had larger white matter lesion volumes and worse microstructural integrity of normal - appearing white matter compared to controls.

Those whose mothers smoked throughout pregnancy had smaller total brain volumes and reduced amounts of grey and white matter in the superior frontal cortex, an area involved in regulating mood.

The volume of white matter in the brains of overweight people at 50 were similar to that seen in the brains of lean people at 60.

Seven years later, the volume of white matter hyperintensities was determined using brain MRI.

The researchers estimated that a one percent increase in aortic arch pulse wave velocity (in meters per second) is related to a 0.3 percent increase in subsequent white matter hyperintensity volume (in milliliters) when all other variables are constant.

Neuroimaging studies have linked intelligence to the developmental course of specific high - order brain regions (Shaw et al., 2006), total brain volume and focal brain structure (Thompson et al., 2001; Haier et al., 2004; Colom et al., 2006; Hulshoff Pol et al., 2006; Choi et al., 2008), microstructural organization of white matter (Chiang et al., 2009), and the functional dynamics of specific high cognitive brain regions (Duncan et al., 2000; Gray et al., 2003; Choi et al., 2008; Song et al., 2008).

«Our results demonstrate that aortic arch pulse wave velocity is a highly significant independent predictor of subsequent white matter hyperintensity volume and provides a distinct contribution — along with systolic blood pressure, hypertension treatment, congestive heart failure and age — in predicting risk for cerebrovascular disease,» Dr. King said.

On average, males had larger absolute volumes than females in the intracranial space (12 %; > 14,000 brains), total brain (11 %; 2,523 brains), cerebrum (10 %; 1,851 brains), grey matter (9 %; 7,934 brains), white matter (13 %; 7,515 brains), regions filled with cerebrospinal fluid (11.5 %; 4,484 brains), and cerebellum (9 %; 1,842 brains).

When Mudd corrected for these volume differences to look specifically at grey and white matter concentration, the story was the same.

The second analysis, published last week in Current Developments in Nutrition, corrected for volume differences to isolate differences in grey and white matter concentration in the piglets» brains.

The results showed that aortic arch pulse wave velocity helped predict white matter hyperintensity volume, independent of the other demographic and cardiovascular risk factors.

BFRT was inversely correlated with white matter hyperintensities volume and BJLO with parietal cerebral microbleeds.

The result is an object having two distinct parts: a well - defined core of mostly carbon ash (a white dwarf star; see below End states of stars) and a swollen spherical shell of cooler and thinner matter spread over a volume roughly the size of the solar system.

In addition, they determined that volumes of human prefrontal gray and white matter match the expected volumes for the number of neurons and other cells in the white matter when compared to other primates.

They found that volume of both gray matter and white matter in the brain was larger in those who were bilinguals.

Brain magnetic resonance imaging obtained under research protocols showed normal brain volumes without any significant pattern of atrophy or white matter lesions.

«We found that higher serum levels of NT - proBNP were associated with smaller brain volumes, in particular with smaller gray matter volume, and with poorer organization of the brain's white matter,» lead author Dr. Meike Vernooij said in a journal news release.

Miller A K H. and Corsellis A. Variation with age in the volumes of grey and white matter in the cerebral hemispheres of man: measurements with an image analyser.

Only the aerobic exercisers had significant increases in brain volume in what are known as the white and gray matter regions of the brain, areas related to age - related decline in brain structure and cognition.

They also had smaller total brain volume, and less white matter, which is mostly made up of the myelin that coats neurons.

The goal of this study was to utilize quantitative MRI to evaluate the impact of macronutrient (carbohydrate, protein, fat) and energy intake throughout the duration of the NICU stay on brain volumes and white matter development in very premature infants at term - equivalent age (TEA).

This audio summary reviews a cohort study exploring the association between prenatal exposure to selective serotonin reuptake inhibitors and gray matter volume and white matter structural connectivity in newborn infants.

Poverty was associated with smaller white and cortical gray matter and hippocampal and amygdala volumes.

To investigate the effects of poverty on childhood brain development and to begin to inform the mediating mechanisms of these negative effects, we investigated associations between poverty and total white and total cortical gray matter volume, as well as hippocampus and amygdala volumes, in a sample of children ages 6 to 12 years followed up longitudinally since the preschool period.

Cortical gray matter volume was defined as the volume between the pial and white matter surfaces.

Brain volumes of children's white matter and cortical gray matter, as well as hippocampus and amygdala volumes, obtained using magnetic resonance imaging.

Main Outcomes and Measures Brain volumes of children's white matter and cortical gray matter, as well as hippocampus and amygdala volumes, obtained using magnetic resonance imaging.

Paths B1, B2, and B3 from the mediators to white matter and cortical gray matter volume were all nonsignificant (all P >.05).

Sean C.L. Deoni, et al., «Breastfeeding and early white matter development: A cross-sectional study», NeuroImage, Volume 82, 15 November 2013, Pages 77 - 86.