Sentences with phrase «brain gray matter volume»

Regional brain gray matter volume differences in patients with bipolar disorder as assessed by optimized voxel - based morphometry

Studies were included in our meta - analyses if the following criteria were given: (I) included at least one clinical group with described aggressive behaviour, (II) in combination with a healthy control sample, (III) conducted during adolescence, (IV) reported whole brain gray matter volume alterations or whole brain functional neuroimaging data, (V) results are described using a standard reference space (Talairach or MNI) and (VI) the same threshold was used throughout the whole brain analysis.

Specifically, meditation has been shown to increase brain gray matter volume (which smart phones destroy) in the right angular and posterior parahippocampal gyri.

Not exact matches

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.

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 brain.

The researchers also found increases in gray matter volume in regions that control leg movement and process sensory information from legs, which may reflect changes related to the brain learning how to move in microgravity.

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.

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.

Individuals with intermittent explosive disorder (IED) have significantly lower gray matter volume in certain frontolimbic brain structures.

These brain regions were also found to overlap with abnormalities in gray matter volume.

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.

However, muscular strength didn't showed any independent association with gray matter volume in any brain region.

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.»

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.

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.

Raznahan hopes the new findings will encourage other researchers to consider gray matter density as well as volume when they do MRI brain studies.

Following this training, the participants» memory functioning had improved and their brains» gray matter volume had increased at a rate comparable to control subjects (other participants without memory concerns who also received the cognitive training).

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

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.

OBJECTIVE Previous studies have shown smaller brain volume and less gray matter in children with attention - deficit / hyperactivity disorder (ADHD).

«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.

A healthier brain is found with a larger gray matter volume, and a shrinking volume is found in Alzheimer's.

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.

«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.»

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 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.

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.

Because human gray matter follows a nonlinear developmental trajectory, we established a reference for typical development in focal brain areas and constructed an index that measured whether regional gray matter volume was larger or smaller than expected, comparing children with others of the same sex and age.