Sentences with phrase «between brain connectivity»

This study examined the relationship between brain connectivity and the development of cognitive executive function.The researchers imaged a group of 882 subjects between the ages of 8 and 22.
Researchers then analyzed the connectivity of each participant's brain to determine a relationship between brain connectivity and Self - Related Sharing Scale score across participants.
New research published August 17 in The Journal of Neuroscience suggests greater similarity between brain connectivity at rest and on task may be associated with better mental performance.

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.
They used MRI scanning to look at the functional brain connectivity patterns between the two activities.
Colored regions in these MRI images of a human fetus (shown from two perspectives) indicate brain regions where connectivity grows stronger between the 20th and 40th weeks of gestation.
While the effects of the technique are not well - understood, TMS may be able to restore normal connectivity by stimulating neurons to make more connections with each other, thereby enhancing communication between parts of the brain.
For instance, knowing if there is a simple increase or decrease in connectivity between brain regions compared to healthy individuals, or whether those with autism use entirely different brain regions to implement cognitive flexibility will enable researchers to better design interventions to improve cognitive flexibility skills.
Interestingly, the researchers found that the degree of functional connectivity, between brain regions involved in detecting grammatical violations and those related to working memory, predicted the performance accuracy of the participants in determining whether a sequence was grammatical or not.
The recently published Allen Mouse Brain Connectivity Atlas traces connectivity between 500,000 tiny cubes of brain tissue each containing up to 500 neuBrain Connectivity Atlas traces connectivity between 500,000 tiny cubes of brain tissue each containing up to Connectivity Atlas traces connectivity between 500,000 tiny cubes of brain tissue each containing up to connectivity between 500,000 tiny cubes of brain tissue each containing up to 500 neubrain tissue each containing up to 500 neurons.
For instance, what if a patient has visual hallucinations because poor connectivity between the prefrontal cortex and the portion of the brain that governs sight causes the hallucinations to override what the eyes actually see?
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.
The in vitro model was used to extensively characterize the differences between neurons from different regions of the brain and to mimic the system's connectivity.
About half the participants had heightened brain activity in the two regions and high connectivity between the two regions.
The connectivity was measured in 15 patients with visual hallucinations, 40 patients without visual hallucinations, and 15 healthy controls by calculating the level of synchronization between activation patterns of different brain areas.
For this study, researchers used resting - state fMRI to examine the connectivity, or communication, between brain areas.
This loss of connectivity means that information can not flow as it should between distant areas of the brain, which may help explain impairment in social responsiveness, Jann said.
Going forward, the team will continue to study the relationship between network connectivity and metabolism in individuals with ASD, extending their work to other relevant brain networks.
Decreased connectivity between regions of the brain that process a social situation could lead to the impaired judgment that escalates to an explosive outburst of anger.
Through a «mapping» performed with magnetic resonance, they identified the affected part and the type and size of the lesion, and analyzed the connectivity between the different areas of the brain.
«People with anger disorder have decreased connectivity between regions of the brain: Less integrity and density in the «information superhighway» of the brain can lead to impaired social cognition.»
The researchers were attempting to look at the brain's so - called «functional connectivity,» that is, interactions between brain regions during the course of a particular task, or at rest, Laird said.
In their recent PNAS paper members of the Imperial College team reported that the presence of LSD was linked to a boost in blood flow and functional connectivity between the brain's primary visual cortex and seemingly unrelated brain networks that mediate other sensory inputs as well as higher - level processes including emotion.
The researchers divided each brain scan into small regions and analysed the neuronal connectivity between them, without making any assumptions about the ideal size of these regions for diagnosis.
In the first study to examine the intrinsic functional connectivity of the brain in relation to social media use, Dar Meshi and colleagues observed connectivity between regions of the brain previously established to play a role in self - cognition, in 35 participants.
In new research published, scientists at the Hebrew University of Jerusalem and in Germany and the USA show that the way in which the brain organizes its visual sense remains intact even in people who are blind from birth, and that at least the pattern of functional connectivity between the visual area and the topographical representation of space (up / down, left / right, etc.) can develop on its own without any actual visual experience.
Brain maps of people with autism spectrum disorders (ASD) show different levels of connectivity between parts of the brain compared with typical individBrain maps of people with autism spectrum disorders (ASD) show different levels of connectivity between parts of the brain compared with typical individbrain compared with typical individuals.
In a new study of how anesthetic drugs affect the brain, researchers suggest that our experience of reality is the product of a delicate balance of connectivity between neurons — too much or too little and consciousness slips away.
The results suggest that, in the brain, there is an optimal level of connectivity between neurons that creates the maximum number of possible pathways.
The images showed features such as the size of each brain region, the level of connectivity between neurons, and how much white matter was insulating the neurons.
Establishing the strength of the connectivity between these large - scale brain networks will be important in predicting people's ability to quit and stay quit, the authors write.
«This lack of synchronization with frontal regions in ASD — an impairment in brain connectivity — may lead to symptoms of the disorder that involve processes that require brain coordination between frontal and other areas, such as language processing and social interaction,» Just explained.
The researchers also found that listening to favorite songs altered the connectivity between auditory brain areas and a region responsible for memory and social emotion consolidation.
Rather than activity in isolated brain regions, we looked at functional connectivity, or coordinated fluctuations between pairs of brain regions over time,» explained Finn.
However, the association between BOLD variability and structural brain connectivity is not well understood.
In psychiatric disorders, functional connectivity, which is measured by temporal correlations between some brain regions, is too much increased or decreased compared to healthy control.
It is important to note that the observed association between λ and IQ could not be related to possible variation in overall connectivity, as the IQ scores showed no correlation with the total number of connections k of the brain network (supplemental Fig. 3g — i, available at www.jneurosci.org as supplemental material) or the distribution of k. No significant correlation was found between the clustering coefficient γ and IQ (Fig. 2c, d).
This technique uses fMRI brain scanning to monitor the functional connectivity between two brain regions, while participants performed a simple motor - imagery task.
Most prominent effects between IQ and the level of global connectivity efficiency (as expressed by a shorter node specific normalized path length) were found in the medial prefrontal cortex (yellow box), bilateral inferior parietal cortex (red box depicts effect in right hemisphere), and precuneus / posterior cingulate regions (orange box) of the functional brain network.
«Nonetheless, we think that we can use optogenetics to put together a larger picture of connectivity between other types of neurons in other areas of the brain
«These findings show a relationship between the hypothesis that schizophrenia is a neurodevelopmental disorder and the longstanding hypothesis — first articulated by the German anatomist Karl Wernicke in the late 19th century — that it is a disease of altered connectivity between regions of the brain,» added Alexander - Bloch.
When the goal was to increase functional connectivity, a monetary reward was given on trials with high temporal correlation between the two relevant brain activities was detected.
Our data reflects the level of efficient organization of the functional brain network during a resting state and not the efficiency of functional connectivity between brain regions during the performance of specific cognitive tasks that enter into the IQ score.
The researchers found a link between abnormalities in white matter and a decrease in functional connectivity in the brain's default - mode network, a set of regions that typically shows abnormal behavior in people at genetic risk for Alzheimer's disease.
Neuroimaging of the spinal cord will be used to assess how the combination therapy can strengthen connectivity of the pathway between the brain and injured spinal cord and how the improved connectivity explains gains in walking and balance function.
«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.
Neuroimaging methods provide a powerful tool to investigate brain connectivity, and have been widely applied to study the mutual relationship between structural and functional connections between brain regions in healthy subjects and in patients.
This indicates differential hemispheric predilection of brain connectivity abnormalities between SD and bvFTD.
The underpinnings of the abnormal relationship between structural and functional connectivity in this and other brain disorders are unknown, and their investigation may provide insight into the underlying pathophysiological mechanisms, and possibly into compensatory mechanisms that may promote recovery of functional connectivity in case of congenital or acquired white matter loss.
Task - based functional connectivity measures the synchronization of activation levels between brain regions during the performance of a given cognitive task.
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