Sentences with phrase «between brain structure»

One of our ongoing research projects involves studying the relationship between brain structure and aptitudes.
This offers an unprecedented opportunity for research concerning individual variation and relationships between brain structure and function relative to development and cognitive capacity in a nonhuman primate.
I am interested in the relationship between brain structure, function, and learning capacities.
Despite the relationship between these brain structure alterations and fine particle exposure, the average residential levels of fine particles in the study were well below the current acceptable limit set by the EU — only 0.5 percent of the pregnant women in the study were exposed to levels considered unsafe.
Another recent debate has explored correlations between brain structure and political affinities.
Recent attention also has been devoted to investigating whether there are morphologic differences between the brain structures of individuals with ADHD relative to their normally developing peers.

Not exact matches

She «found greater neural connectivity from front to back and within one hemisphere in males, suggesting their brains are structured to facilitate connectivity between perception and coordinated action.
Studies on genes, brain structures and hormones have failed to identify a clear link between, on one hand, differences at birth between the sexes and, on the other, particular behaviour.
He works by tweaking the chemical structures of the drugs, sometimes changing just a few molecules to see what impact this might have on the interaction between the drug and the brain receptors their parent compounds normally act upon.
A coherent scene structure was needed to achieve the highest correlation of activity between viewers in parts of the brain involved in extracting meaning (The Journal of Neuroscience, vol 28, p 2539).
However, similarities in the brain shape between the ancient species and diving birds living today suggest that diving behavior may be associated with certain anatomical structures in the brain.
Indeed, the researchers found a relationship between place of residence and brain health: those city dwellers living close to a forest were more likely to show indications of a physiologically healthy amygdala structure und were therefore presumably better able to cope with stress.
A number of smallish studies have seen differences in the brains of habitual weed smokers, including altered connectivity between the hemispheres, inefficient cognitive processing in adolescent users, and a smaller amygdala and hippocampus — structures involved in emotional regulation and memory, respectively.
«Severe stress affects the size of the structures in the brain, causes cell death, and affects the number of connections between brain cells,» observes Kalin.
While some research supported a link between prenatal sound exposure and improved brain function, scientists had not identified any structures responsible for this link in the developing brain.
Researchers at Blue Brain Project report groups of neurons bound into such cavities provide the missing link between neural structure and function, in their new study published in Frontiers in Computational Neuroscience.
Using functional magnetic resonance imaging — a technique that monitors brain activity in real time — the Johns Hopkins group found reversing a decision requires ultrafast communication between two specific zones within the prefrontal cortex and another nearby structure called the frontal eye field, an area involved in controlling eye movements and visual awareness.
Between the brain's neurons and glial cells is a critical but understudied structure that's been called neuroscience's final frontier: the extracellular space.
Researchers from the University's Psychological Sciences department identified 38 healthy individuals aged between 18 and 63 and tested their propensity to hallucinate, musical aptitude and measured their detailed brain structure using an MRI scanner.
The new study, led by Catherine Lebel of the University of Calgary in Alberta, is the first to report associations between maternal depression and abnormal brain structure in kids at this age.
In a new study, Duke University researchers combined brain imaging with a celebrity naming game to pinpoint the structure in the brain responsible for forming direct links between environmental stimuli and enhanced focus.
«It alerts physicians to the relationship between genes, brain structure, and behavior,» a relationship that may one day become useful to clinicians.
Scientists have long sought a connection between intelligence and some structure in the brain.
They analyzed the relationship between these nutrient patterns and subjects» brain structure and performance on cognitive tests.
In a study reported in the journal Nutritional Neuroscience, the researchers looked for relationships between several omega - 3 fatty acids in the blood, the relative size of structures in the frontal and parietal cortices of the brain, and performance on tests of fluid intelligence in healthy elderly adults.
In the mid-1900s, neuroscientists proposed that learning causes a physical rearrangement of the brain's structure: New synapses form between some neurons, while existing ones grow stronger or die out.
The conflict between science and religion may have its origins in the structure of our brains, researchers at Case Western Reserve University and Babson College have found.
In addition, a subsample of 42 children (29 boys, 13 girls) had brain imaging, which allowed the authors to examine the relations between the cortical structure (thickness and surface area) of their brains and academic performance.
It may be that subjective perceptions of facial emotion are formed through repeated cycles of processing between the amygdala, the temporal cortex and other brain structures that shape a person's values and social perspectives.»
For example, the researchers were able to identify previously unknown gene expression differences between the neural stem cells that give rise to the brain's deep structures versus its neocortical surface, and to show that molecular signatures of different neural cell types arise much earlier in brain development than previously realized.
Neuroscientist Jason Cooperrider and colleagues scanned Grandin's brain using three different methods: high - resolution magnetic resonance imaging (MRI), which captures the structure of the brain; diffusion tensor imaging (DTI), a method to trace the connections between brain regions; and functional MRI, which indicates brain activity.
The findings, which appear online in the Annals of Clinical and Translational Neurology, are the first to show a relationship between fitness and brain structure in older adults, but not younger adults.
To examine the relationship between fMRI scans, patterns of neuronal activity and anatomical structure of the brain, the researchers examined the region of the parietal lobe of squirrel monkeys devoted to monitoring touch sensations.
Extended imaging sessions at UCLA allowed the statisticians to model links between structures in epileptic patients» brains and to compare them either individually or collectively with each other and with the controls.
According to the researchers these results provide evidence of a positive association between fitness and brain structure in older adults.
When humans are torn between paying attention to two different things, it triggers a «conflict» circuit in a brain region called the dorsal anterior cingulate cortex (dACC) which is part of a larger brain structure controlling rational thought and emotions.
It may, for example, partly account for the differences in brain structure and behavior between identical twins, and could even affect thought processes by subtly influencing the changes in nerve cell connections that occur with experience.
«We wanted to find the link between the abnormal structure of synapses in the FXS mouse, and the behavioral abnormalities at the level of brain circuits; that had not been previously established,» said senior author Dr. Carlos Portera - Cailliau, an associate professor in the departments of neurology and neurobiology.
Monkeys typically find other monkeys impossible to ignore, and this experiment was no exception: the monkeys often failed at the reward task because they looked at the faces, especially if the faces depicted emotion.When humans are torn between paying attention to two different things, it triggers a «conflict» circuit in a brain region called the dorsal anterior cingulate cortex (dACC) which is part of a larger brain structure controlling rational thought and emotions.Using a tiny sensor implanted in the dACCs of the monkeys, Platt's group was able to measure the electrical activity of single neurons.
New studies released today reveal links between social status and specific brain structures and activity, particularly in the context of social stress.
Reported differences in the structure of a specific brain region (SDN - POA) between heterosexual and homosexual men.
Kabadai concluded: «There is still so much we need to understand and learn about the relationship between intelligence and brain size, as well as the structure of a bird's brain, but this study clearly shows that bird brains are not simply birdbrains after all!»
«The function of the brain arises not just from interactions between individual neurons but also from the combined activity of groups of neurons arranged in specific structures,» neurosurgeon Isaac Chen of the University of Pennsylvania who not involved in the study, tells The Scientist by email.
Musen emphasizes that it is important to study both the structural and functional aspects of the brain in cognitive decline, explaining that, «We look at the correlation between the two because if a correlation exists, then it might suggest a common set of mechanisms underlying brain structure and function raising the possibility that similar treatments may be useful for improving both.»
«In our study, we show that the world's most experienced users of this strategy differ from normal control subjects not in coarse differences in a single brain structure, but in distributed connectivity patterns between larger brain networks,» he added.
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 group of Jean - Louis Bessereau is investigating the molecular organization of chemical synapses, which are the specialized structures supporting communication between neurons in the brain and between neurons and muscles at neuromuscular junctions.
Ongoing studies in her lab attempt to characterize the relations between sex and brain structure and function; other studies focus on gender identity and sexuality.
The brain stem is the final pathway between cerebral structures and the spinal cord.
That connection may benefit those who have lost vision because of damage in the structures between the eye and the brain — the loss of an eye through trauma, for instance, or damage to the optic nerve.
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