Sentences with phrase «brain connectivity at»

The HCP seeks to map brain connectivity at a macroscopic scale, using magnetic resonance imaging (MRI).
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

They used MRI scanning to look at the functional brain connectivity patterns between the two activities.
Relieving an Overwired Brain Reid and his colleagues didn't know it at the time, but in St. Louis another team was also studying the connectivity of depression.
«That they can detect this difference in connectivity so early is something interesting,» says Hao Huang, who studies neonatal brain development at the University of Pennsylvania.
«Virtually all major clinical brain disorders are associated with disturbances of brain connectivity,» says Olaf Sporns at Indiana University in Bloomington.
The results of the study suggest that «people's performance on various cognitive tasks is better the fewer changes they have to their brain connectivity,» said John Dylan Haynes, a neuroscientist at the Bernstein Center for Computational Neuroscience in Berlin who studies cognition and was not involved in the study.
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.
The new research shows that, in autism, connectivity in these networks that can be seen on fMRI scans is fairly similar regardless of whether the brain is at rest or performing a task.
To begin to understand how the connectivity patterns in the brains of memory athletes influence memory performance, Dresler and colleagues looked at the 25 connections that most differentiate memory athletes from others.
The latest work paints a picture of LSD and some other hallucinogens as drugs that can decrease modularity and connectivity within brain networks while enhancing the brain's overall connectivity, explains Frederick Barrett, a cognitive neuroscientist at Johns Hopkins University who has studied hallucinogenic drug effects but was not involved in the research released this week.
Scientists used a type of magnetic resonance imaging (MRI), known as diffusion weighted imaging, to measure the brain connectivity in 260 infants at the ages of 6 and 12 months, who had either high or low risks of autism.
At the cellular level, although they share canonical types of inhibitory interneurons (INs) and excitatory principal neurons (PNs), it remains largely unknown to what extent a single type in different brain regions displays similarity in gene expression, axonal shape, connectivity, and developmental origins.
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.
«Though the «blind brain» wiring may change greatly in the blind in its frontal language related parts, it still retains the most fundamental topographical and functional connectivity organizational principles of the visual cortex, known as «retinotopic mapping» — the processing of two - dimensional visual images through the eye,» said co-lead researcher Amir Amedi, associate professor of medical neurobiology at the Hebrew University's Edmond and Lily Safra Center for Brain Sciences and IMRIC, the Institute for Medical Research Israel - Cabrain» wiring may change greatly in the blind in its frontal language related parts, it still retains the most fundamental topographical and functional connectivity organizational principles of the visual cortex, known as «retinotopic mapping» — the processing of two - dimensional visual images through the eye,» said co-lead researcher Amir Amedi, associate professor of medical neurobiology at the Hebrew University's Edmond and Lily Safra Center for Brain Sciences and IMRIC, the Institute for Medical Research Israel - CaBrain Sciences and IMRIC, the Institute for Medical Research Israel - Canada.
A group of researchers at the Beckman Institute for Advanced Science and Technology at Illinois, led by psychology professor Aron Barbey and postdoctoral researcher Tanveer Talukdar, investigated whether individual differences in brain connectivity were associated with decision - making, using functional MRI and a comprehensive test of decision - making.
«Most previous studies have focused on using one technique at a time, even though we have evidence that there are alterations in the brain in autism in terms of structure, white - matter connectivity, and brain chemical concentrations.
«But, by looking at the brain's own network connectivity, we can identify sites on the surface of the brain that connect with this deep site, and stimulate those sites noninvasively.»
Rather than activity in isolated brain regions, we looked at functional connectivity, or coordinated fluctuations between pairs of brain regions over time,» explained Finn.
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).
In a study of structural brain connectivity led by the University of Illinois at Chicago and UCLA, those participants with anorexia nervosa who scored lowest on a test measuring their ability to form insight had more connective abnormalities than other patients in brain regions linked to error detection and conflict monitoring as well as self - reflection.
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.
It has been a longstanding hypothesis that alterations in the microcircuit of the prefrontal cortex and / or in its connectivity with the rest of the brain may be at the core of many of these disorders.
Kessler Foundation is in the forefront of research looking at connectivity not only in the brain but also in the spinal cord.
«Using strength testing and specialized EEG and neuroimaging techniques, we will look at the effects on handgrip strength and the level of functional brain - to - brain and brain - to - muscle connectivity that modulates maximal muscle force.
They have observed loss of connectivity of these critical neurons in glaucoma, both at the level of inputs with the retina and their outputs to the brain.
Decreased functional connectivity (FC) within temporal cortex was... identified for MCIs at baseline, which was partially determined by the GRS; moreover, compensations may occur within the frontal - parietal brain to maintain relatively intact cognition.
An important area for future work will be to understand functional connectivity abnormalities in ASD at the global level, across the whole brain, as well as in specific functional networks or sets of nodes.
«Atypical development of local and distant intrinsic functional connectivity in ASD,» in Paper Presented at the Organization for Human Brain Mapping, (Beijing).
«Functional connectivity in the brain is one of the most interesting topics in current neuroscience,» said Hiroshi Imamizu of the Advanced Telecommunications Research Institute International at the University of Tokyo and a co-author of the paper.
â $ œOur findings fit into an emerging theme in neuroscience research: that during childhood, there is a switch in amygdala function and connectivity with other brain regions, particularly the prefrontal cortex, â $ says Mar Sanchez, PhD, neuroscience researcher at Yerkes and associate professor of psychiatry and behavioral sciences at Emory University School of Medicine.
Her research project at the GRID Lab, which is affiliated with the Center for Sensorimotor Neural Engineering (CSNE), investigated how learning to use a BCI affects connectivity in the brain beyond the BCI implantation site.
In 2012, our laboratory initiated a study of AAN structural connectivity in ex vivo human brain specimens and in a living human subject - a study made possible by high resolution MRI scanners and high angular resolution diffusion imaging (HARDI) sequences developed at the Massachusetts General Hospital Athinoula A. Martinos Center for Biomedical Imaging.
Fire it up and any skills and smart home connectivity you've added to other Echo devices will be at the ready, as well as music, audiobooks, and of course, Alexa's bountiful brain.
Nevertheless, we expected the relationship between maternal depressive symptoms and frontal connectivity to be more apparent at later stages of infant development, since the functional integration of brain regions may develop later than that of individual brain structures.
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