Sentences with phrase «of functional brain connectivity»
That collaboration ultimately produced the most detailed map ever made of functional brain connectivity in a single person.
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«These findings extend our present knowledge of functional brain connectivity, specifically linking brain regions previously established to function in self - referential cognition to regions indicated in the cognitive process of self - disclosure.»
Every person has a distinct pattern of functional brain connectivity known as a connectotype, or brain fingerprint.
Not exact matches
Researchers specifically analyzed how different areas of the brain activate in sync with each other — a property called functional connectivity — during a period of rest.
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.
Connectomics not only maps the circuitry of the links and nodes, the so - called structural connectivity of the brain, but also the dynamic correlations that arise among regions when circuits are active: the functional connectivity.
Using two data sets of functional MRI brain scans from more than 350 adult and child siblings during resting state, Fair and colleagues applied an innovative technique to characterize functional connectivity and machine learning to successfully identify siblings based on their connectotype.
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.
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.
«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.
The authors used functional magnetic resonance imaging to investigate connectivity in two brain networks involved in social processing: theory of mind (ToM, otherwise known as the mentalizing system, which allows an individual to infer what others are thinking, their beliefs, their intentions) and the mirror neuron system (MNS, which allows people to understand the meanings and actions of others by simulating and replicating them).
In this study, the researchers aimed to investigate task related brain activity and functional connectivity patterns following onset of a regional anesthetic nerve block during continuous noxious dental stimulation.
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.
Functional imaging studies have also shown that autistic minds show decreased activity and connectivity in areas of the so - called «social brain» — regions important for language, face recognition and emotion.
«To examine the connectivity from any one site to other brain regions, we used a data base of functional MRI images and a technique that enables you to see correlations in spontaneous brain activity.»
To study how music preferences might affect functional brain connectivity — the interactions among separate areas of the brain — Burdette and his fellow investigators used functional magnetic resonance imaging (fMRI), which depicts brain activity by detecting changes in blood flow.
«As far as we know, this is one of the first studies of dyslexia to examine differences in functional connectivity across the whole brain, shedding light on the brain networks that crucially support the complex task of reading,» added Finn.
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, most prior work has focused on only a small number of brain regions, leaving a gap in our understanding of how multiple brain regions communicate with one another through networks, called functional connectivity, in persons with dyslexia.
The researchers created growth charts that reflected the configuration of what are called intrinsic connectivity networks — important units of functional brain organization.
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.
Heritability of «small - world» networks in the brain: a graph theoretical analysis of resting - state EEG functional connectivity
Small - world and scale - free organization of voxel based resting - state functional connectivity in the human brain
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.
More recently, I have demonstrated the feasibility of using fMRI in combination with pharmaco - genetic silencing to dissect the circuital basis of complex behaviors, and demonstrated for the first time that the mouse brain contains distributed resting - state functional connectivity networks, including plausible homologues of the human default - mode (DMN) and salience networks.
For example, Kerr said, «Based on the predominantly somatic descriptions of mindfulness experience offered by the belly - focused group, we would expect there to be more ongoing, resting - state functional connectivity in this group across different parts of a large brain region called the insula that encodes visceral, somatic sensations and also provides a readout of the emotional aspects of so - called «gut feelings».»
My main goals are: a) to unravel the functional and anatomical connectivity of the primate prefrontal cortex circuitry within the framework of complex cognitive tasks, b) to generate tools and techniques that allow manipulating prefrontal cortex function and therefore generate symptoms of mental disorders in behaving non-human primates, and c) to produce interventions (e.g., deep brain stimulation or local / systemic drug delivery) that allow rescuing the generated disease phenotypes.
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.
Researchers used MRI to assess the strength of functional connectivity in the default - mode network, which are the regions of the brain most active when a person is in wakeful rest.
In different experiments we will examine the effects of exogenous (intranasal oxytocin) and endogenous (providing social support) oxytocin on fear and reward related brain activation patterns, functional connectivity, stress reactivity and trauma - related psychopathology symptoms.
Intrinsic brain networks are comprised of remote regions that have correlated spontaneous activity seen in functional imaging, known as intrinsic functional connectivity (FC), that is remarkably persistent across distinct consciousness states.
The Impact of Alzheimer's Disease on the Resting State Functional Connectivity of Brain Regions Modulating Pain: A Cross Sectional Study.
Recently, functional network connectivity (FNC, defined as the temporal correlation among spatially distant brain networks) has been used to examine the functional organization of brain networks in
Title: The low - frequency BOLD functional connectivity signature of the hippocampal - prefrontal network in the rat brain Author: A. J. Schwarz et al..
A particularly distinctive aspect of my research has been the study of brain functional connectivity and its pharmacological modulation, an area that my group has pioneered.
«Community structure of functional connectivity networks: resolving brain functional organisation with pharmacological MRI»
«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.
Dr. Elias and the OCAR primarily focus on understanding why ERP works (e.g., fear tolerance versus fear habituation; the roles of guilt, willingness, and acceptance; patterns of brain activation during exposure; functional connectivity among brain regions), tailoring treatment to the individual (e.g., elucidation of predictors of response and their underlying processes / mechanisms and neural correlates; rigorous diagnostic characterization of obsessive compulsive related disorders), and evaluating innovative treatments and augmentation strategies (e.g., acceptance and commitment therapy; optimization of inhibitory learning; pharmacological augmentation).
«Deficient neuron - microglia signaling results in impaired functional brain connectivity and social behavior» Y. Zhan, R.C. Paolicelli, F. Sforazzini, L. Weinhard, G. Bolasco, F. Pagani, A. L. Vyssotski, A. Bifone, A. Gozzi, D. Ragozzino, C.T. Gross Nature Neuroscience 17 (3), 400-4006 (2014) «USPIO - loaded Red Blood Cells as a biomimetic MR contrast agent: a relaxometric study» A. Boni, D. Ceratti, A. Antonelli, C. Sfara, M. Magnani, E. Manuali, S. Salamida, A. Gozzi, and A. Bifone Contrast Media and Molecular Imaging 9, 229 - 236 (2014) «Distributed BOLD and CBV - weighted resting - state networks in the mouse brain» F. Sforazzini, A.J. Schwarz, A. Galbusera, A. Bifone, and A. Gozzi NeuroImage 87, 403 - 415 (2014) «Antimicrobial peptides design by evolutionary multiobject optimization» G. Maccari, M. Di Luca, R. Nifosì, F. Caldarelli, G. Signore, C. Boccardi, and A. Bifone PloS Computational Biology 9 (9): e1003212 (2013) «Differential effect of orexin - 1 and crf - 1 antagonism on stress circuits: a fMRI study in the rat with the pharmacological stressor yohimbine» A. Gozzi, S: Lepore, E: Merlo Pich, and A. Bifone Neuropsychopharmacology 38 (11): 2120 - 2130 (2013) «Water dispersal and functionalization of hydrophobic iron oxide nanoparticles with lipid - modified poly (amidoamine) dendrimers» A. Boni, L. Albertazzi, C. Innocenti, M. Gemmi, and A. Bifone.
The Center's 3T Siemens Skyra scanner offers a variety of techniques for investigating anatomy, function and connectivity in traumatic brain injury, multiple sclerosis, spinal cord injury and stroke, including magnetic resonance imaging (MRI), functional MRI and diffusion tensor imaging.
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.
As highlighted in several articles appearing in this special topic, one of the most well - documented observations in the autism literature is that the brains of individuals with the disorder exhibit aberrant functional connectivity or inter-regional communication (Belmonte et al., 2004).
Altered resting - state (RS) brain activity, as a measure of functional connectivity (FC), is commonly observed in chronic pain.
The ability to quantitatively compare structural and functional connectivity would be important to assess the relationship between these two measures of interregional connections in the healthy brain and in diseased states.
Whole - brain connectivity approaches have also provided evidence of hypo - connectivity of social processing - related brain circuits in adolescents with ASD (Gotts et al., 2012), though a recent systematic investigation using both ROI - based and ICA - based analytic approaches found very few examples of functional hypo - connectivity in adults with ASD compared with age - matched control participants (Tyszka et al., 2013).
The results demonstrate that resting - state functional connectivity reflects structural connectivity and that combining modalities can enrich our understanding of these canonical brain networks.
Convergent findings of altered functional and structural brain connectivity in individuals with high functioning autism: a multimodal MRI Study.