Sentences with phrase «between brain volumes»

Association between brain volumes and HAND in cART - naïve HIV + individuals from Thailand.

This is important because several other studies have shown a correlation between brain volume and cognitive development.»

«No link found between subcortical brain volumes, genetic risk for schizophrenia: Proof - of - concept study provides roadmap for future research into possible associations between brain volume measures, known genetic risk factors.»

Not exact matches

Volume XVI, Number 1 Tending the Flame: The Link Between Education and Childhood — Philip Incao Why Love Matters: How Affection Shapes a Baby's Brain — Sue Gerhardt Research into Resilience — Christof Wiechert Reading Research Supports the Waldorf Approach — Sebastian Suggate Thinking and the Sense of Thinking — Detlef Hardop Outline of a Study Methology — Elan Leibner The Founding Intentions — Michaela Glöckler Attending to Interconnection: Living the Lesson — Arthur Zajonc

«Association discovered between atrial fibrillation, reduced frontal lobe brain volumes.»

Recent studies suggest that the total loss in brain volume due to atrophy — a wasting away of tissue caused by cell degeneration — between our teen years and old age is 15 percent or more, which means that by the time we're in our seventies, our brains have shrunk to the size they were when we were between 2 and 3 years old.

These fossils, dating from 1.77 million years ago, had brains between 600 and 775 cubic centimeters in volume, whereas H. erectus is generally thought to have had an average brain size of around 900 cubic centimeters.

This new research approach can be used to investigate the interplay between satiety feelings, volume of the stomach and activity in the brain.

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.

Even when the investigators removed the scans of 16 participants who were dependent on alcohol as well as cocaine, the link between cocaine use and brain volume loss remained.

They compared and analyzed magnetic resonance imaging (MRI) brain images of 1,680 healthy individuals and 884 patients with schizophrenia from 11 research institutes participating in Cognitive Genetics Collaborative Research Organization (COCORO), and examined the differences between schizophrenia and healthy controls in the subcortical regional volumes and their asymmetries.

A new study led by Patrick F. Sullivan, MD, FRANZCP, a researcher and professor at both the University of North Carolina School of Medicine and the Karolinska Institutet in Stockholm, Sweden, evaluated the relationship between common genetic variants implicated in schizophrenia and those associated with subcortical brain volumes.

«The skull was found along with the lower jaw, showing a significant disproportion between the large and prominent jaws and the smaller brain volume — a combination that gives it a primitive and apish appearance,» Rak said.

The study also demonstrates an association between NCAN variations with volumes of certain brain regions in young adults and infants, suggesting that the gene is able to affect brain structure and function.

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.

«There is an important distinction between neocortex volume and brain volume,» says Dunbar.

Researchers from the Wake Forest School of Medicine found that aerobic exercise appears to boost thinking skills and brain volume in adults diagnosed with mild cognitive impairment, a condition that sits in between normal age - related memory decline and more serious dementia.

One of the links between macronutrient consumption and another on the role of erythropoietin (EPO) in neurodevelopment, and its link to premature births.1 Nutrition's influence on premature infant brain volume The number -LSB-...]

Although a few studies in the past have examined the link between brain health and trans fats, this study by Oregon Health and Science University in Portland was the first to measure blood levels of trans fats in relation to brain volume using MRI brain scans.

Analysis of the results showed a link between increased exercise and larger volume in parts of the brain related to memory.

Studies looking at DHA and EPA levels in red blood cells have shown a correlation between higher omega - 3 status and having a to 2 cm larger brain volume.

Scientists at the University of Texas discovered that to some extent the loss of brain volume is balanced by larger numbers of connections between neurons.

A total of 147 adult volunteers underwent MRI scans to assess the link between sleep and brain volume.

An important contributory factor is thought to be the mismatch in size between the brain and skull volume.

The relationship between cerebellar overcrowding and relative cerebellar volume was tested with a Pearson r correlation of Caudal Cerebellar CCF Percentage and Cerebellar Brain Percentage: The CKCS group demonstrated a positive correlation (r = 0.5204 [p = 0.0003]-RRB-, whilst the SB (r = 0.1277 [p = 0.4449]-RRB- and LD (r = 0.3016 [p = 0.1342]-RRB- group did not.

While the relationship between age and brain atrophy in humans is well documented and could potentially bias a comparison between different age groups, there is no evidence that this is the case in dogs (a recent study has shown that Labradors in the age groups 1 — 5, 5 — 10 and 10 + have similar cerebellar volumes)[22] or even chimpanzees [25].

It has been proposed that the volume mismatch between the CCF and brain parenchyma in CKCS can be explained by impaired occipital bone development and the consequent reduction in CCF volume [5], [16], [21].

vs. Cerebellar Brain Percentage (r = 0.2801, p = 0.1158) in SM - negative CKCS revealed no statistically significant relationships between relative cerebellar volume and age.

Like learning a new language, learning how to play an instrument has a proven impact on brain development, showing that «learning to play a musical instrument not only increases grey matter volume in various brain regions, but can also strengthen the long - range connections between them» and that» musical training also enhances verbal memory, spatial reasoning, and literacy skills».

Three variables were tested as possible mediators of the relations between baseline income - to - needs ratios and children's brain volumes (Figure 1).

Conceptual Model Testing Multiple Mediators of the Hypothesized Association Between Income - to - Needs Ratio and Variation in Brain Volume

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.

We also hypothesized that key variables associated with poverty and known to negatively impact child development outcomes, including caregiving support, caregiver education, and stressful life events, would mediate the association between poverty and brain volumes.

The analyses just described established a relationship between the income - to - needs ratio and later brain volumes.

In summary, when considering associations between experience and brain morphometry, cortical thickness and surface area should be assessed separately, rather than reporting on the composite metric of cortical volume (Winkler et al., 2010; Raznahan et al., 2011).

Caregivers» Education, Parenting, and Stressful Life Events as Mediators of the Associations Between Income - to - Needs Ratio and Brain Volumes

Here we first established the relationship between the predictor (income - to - needs ratio) and the potential mediators (caregiver education, parenting, and life events), and then examined the relationships of the mediators to the outcome (brain volume) and, when significant, whether they reduced the direct effect of income - to - needs ratio on brain volumes.

An increased volume of communication between the brain hemispheres, via the corpus callosum, is believed to then be the reason for the improved executive functions many musicians have.

So Luby and her team think stress can explain much of the link between poverty and brain volume.

Increased volume in this brain region is associated with more optimal development of a number of psychosocial factors (e.g., stress reactivity).15 Links between early responsive parenting and increased volume in the hippocampal region also suggest that the early developmental period is an important time to facilitate responsive parenting practices, especially in high risk families, in order to enhance the parent - child relationship.