Sentences with phrase «of gray matter volume»

Blue shows areas of gray matter volume decrease, likely reflecting shifting of cerebrospinal fluid.

Orange shows regions of gray matter volume increase, in the regions that control movement of the legs.

«We found large regions of gray matter volume decreases, which could be related to redistribution of cerebrospinal fluid in space,» Seidler said.

«Clinically and cognitively normal individuals with and without AD risk factors, following dietary patterns characterized by high intakes of whole grains, fresh fruits, vegetables, legumes, fish, and low - fat dairy products (which provide higher intakes of vitamin B12, vitamin D, and n - 3 polyunsaturated fatty acids) and by low intakes of refined sugars, French fries, high - fat dairy products, butter, and processed meat, show lower accumulation of Aβ in the brain and higher cerebral glucose metabolism, as evidenced by neuroimaging analysis of gray matter volumes (a marker of brain atrophy), C - Pittsburgh compound B (to measure the accumulation of fibrillar Aβ), and F - fluorodeoxyglucose (to assess brain glucose metabolism.»

Not exact matches

In fact, according to researchers Laura Glynn and Curt Sandman, the volume of gray matter (or number of neural cell bodies) increases in the above regions in new mothers and is associated with their positive feelings toward their infants.

Using brain scans to compare the gray matter of children with RAD to typically developing children, the researchers found significantly reduced volume of gray matter in the area of the brain known as the left primary visual cortex.

Comparison images taken and two and four weeks postpartum revealed a small but significant increase in gray matter volume in specific areas of the brain.

The results suggested that greater leaning towards liberalism was associated with increased gray matter in the anterior cingulated cortex, whereas greater embracing of conservatism corresponded to increased volume of the right amygdale.

Of those people, 562 had an MRI brain scan around age 73 to measure overall brain volume, gray matter volume and thickness of the cortex, which is the outer layer of the braiOf those people, 562 had an MRI brain scan around age 73 to measure overall brain volume, gray matter volume and thickness of the cortex, which is the outer layer of the braiof the cortex, which is the outer layer of the braiof the brain.

Relative changes in gray matter volume, related to spatial and nonspatial representations of numerical size.

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.

A larger network of Facebook friends correlates with a greater volume of gray matter in the amygdala, an emotion - processing region, according to a recent study.

Through analysis of high - resolution anatomical magnetic resonance imaging of brain volumes, taken three times over the two - year study period, the researchers were able to determine that individuals with MCI or Alzheimer's showed greater losses in gray matter volume in both the basal forebrain and temporal lobe, compared with cognitively normal controls.

A new article published in the inaugural issue of the journal Biological Psychiatry: Cognitive Neuroscience and Neuroimaging reports that individuals with intermittent explosive disorder (IED) have significantly lower gray matter volume in these frontolimbic brain structures.

What's more, the team found that the mothers» scores on a standard test that gauges the degree of a mom's attachment to her infant could be predicted to a significant degree based on the changes in their gray matter volume during pregnancy.

The volume of gray matter is a measure of brain health, but the amount of gray matter in the brain often begins to decrease in late adulthood, even before symptoms of cognitive dysfunction appear.

Comparing MRI brain images of eight Dobermans with CCD to the control group, Ogata found that the CCD group had higher total brain and gray matter volumes, lower gray matter densities in the dorsal anterior cingulate cortex and right anterior insula, and higher fractional anisotropy in the splenium of the corpus callosum (the degree of which correlated with the severity of the behavioral traits).

Halloway's analysis found the association between participants» actual physical activity and gray matter volumes remained after further controlling for age, gender, education levels, body mass index and symptoms of depression, all of which are associated with lower levels of gray matter in the brain.

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.

According to Irene Esteban - Cornejo, postdoctoral researcher at the University of Granada and main author of this paper, gray matter volume in the cortical and subcortical regions influenced by physical fitness improves in turn the children's academic performance.

The researchers evaluated the effects of the experiment at the beginning and at the end of the exercise, six months later, using two different measurements: cognitive performance tests and magnetic resonance imaging (MRI) to measure variations in the volume of gray matter.

The connections between greater gray matter volume and intelligence have been documented only in children with an average age of 15.4 years.

They found reductions in the volume of gray matter in multiple regions of the brains of children with OSA.

More specifically, the researchers have confirmed that physical fitness in children (especially aerobic capacity and motor ability) is associated with a greater volume of gray matter in several cortical and subcortical brain regions.

«Brains of children with a better physical fitness possess a greater volume of gray matter.»

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.

January 12, 2016 Individuals with rage disorder have smaller volumes in brain structures linked with emotion People who have a behavioral disorder characterized by extreme outbursts of anger, such as road rage, have significantly lower gray matter volume in the brain region that plays an important role in regulating emotion, report scientists from the University of Chicago.

In some regions of the brain, the volume of gray matter appeared to have shrunk.

The team discovered a direct correlation between history of impulsive aggressive behavior and gray matter volume in the frontolimbic region of the brain — an area known to play a central role in the regulation of emotions.

The causes of the differences in gray matter volume are unknown, but IED runs in families and is thought to have a significant genetic component.

People who have a behavioral disorder characterized by extreme outbursts of anger, such as road rage, have significantly lower gray matter volume in the brain region that plays an important role in regulating emotion, report scientists from the University of Chicago.

«When people studied aging, they looked at density and volume [of gray matter],» he notes.

Those images showed that gray matter volume of adolescents tended to be lower than that of kids.

The gray matter of the brain regions increases in volume and helps in regulating certain responses related to the reward system.

Effects of cognitive training on gray matter volumes in memory clinic patients with subjective memory impairment.

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

Relatively few neuroimaging studies have explored the role of puberty in human brain development (Blakemore et al., 2010; Crone and Dahl, 2012; Galvan et al., 2012), though it was noted long ago that measurements of peak gray matter volume coincide with the onset of puberty (Giedd et al., 1999; Blakemore, 2012).

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

«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.

A key marker of brain health is gray matter volume.

Higher expenditure of energy was associated with larger gray matter volumes in the parietal, temporal and frontal lobes, which included the basal ganglia, posterior cingulate and hippocampus.

A strong gray matter volume and energy output association was found in parts of the brain vital for cognitive function.

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.

Of those people, 562 had an MRI brain scan around age 73 to measure overall brain volume, gray - matter volume and thickness of the cortex, which is the outer layer of the braiOf those people, 562 had an MRI brain scan around age 73 to measure overall brain volume, gray - matter volume and thickness of the cortex, which is the outer layer of the braiof the cortex, which is the outer layer of the braiof the brain.

Action video games lead to a reduced volume of gray matter in the hippocampus, which can seriously impact brain health, a new study suggests.

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.

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.

Lower socioeconomic status was associated with smaller hippocampal gray matter volumes bilaterally in a small sample of healthy 10 - year - old children.10

Using the estimated developmental trajectories (eTable 4 and eFigures 1, 2, 3, and 4 in the Supplement), we constructed an index of structural brain development based on an adjusted or normed measure of regional gray matter volume.