Functional magnetic functional neuroimaging. Medical search. Frequent questions

A package of computer programs for analysis and visualization of three-dimensional human brain functional magnetic resonance imaging (FMRI) results is described. (nih.gov)
Common methods of functional neuroimaging include Positron emission tomography (PET) Functional magnetic resonance imaging (fMRI) Electroencephalography (EEG) Magnetoencephalography (MEG) Functional near-infrared spectroscopy (fNIRS) Single-photon emission computed tomography (SPECT) Functional ultrasound imaging (fUS) PET, fMRI, fNIRS and fUS can measure localized changes in cerebral blood flow related to neural activity. (wikipedia.org)
fMRI does a much better job of localizing brain activity for spatial resolution, but with a much lower time resolution while functional ultrasound (fUS) can reach an interesting spatio-temporal resolution (down to 100 micrometer, 100 milliseconds, at 15MHz in preclinical models) but is also limited by the neurovascular coupling. (wikipedia.org)
FMRI and PET enable creation of functional connectivity maps of distinct spatial distributions of temporally correlated brain regions called functional networks. (wikipedia.org)
This can be done noninvasively in humans by combining transcranial magnetic stimulation with one of the neuroimaging tools such as PET, fMRI, or EEG. (wikipedia.org)
Functional magnetic resonance imaging (FMRI) was used to identify candidate language processing areas in the intact human brain. (jneurosci.org)
Fast, low-angle shoot functional magnetic resonance imaging (fMRI), based on the blood oxygenation level-dependent (BOLD) effect, was combined with optical recording of intrinsic signals (ORIS) and 2-deoxyglucose labeling in gerbil barrel cortex. (jneurosci.org)
This discovery formed the basis of a powerful technique used nowadays to study brain activity: blood oxygenation level-dependent (BOLD) functional magnetic resonance imaging (fMRI). (frontiersin.org)
In an attempt to identify the neural correlates of spontaneous lyrical improvisation in this context we compared freestyle (improvised) to conventional (rehearsed) performance, using functional magnetic resonance imaging (fMRI). (nature.com)
In a sample of 335 healthy participants, we investigated stress-induced functional connectivity changes (delta-FC) of the SN, CEN and DMN, using resting-state fMRI data acquired before and after a socially evaluated cold-pressor test and a mental arithmetic task. (nih.gov)
This new study raises questions about how the growing human brain meets its energy needs, as well as how best to track brain development with functional magnetic resonance imaging, or fMRI, which relies on blood-flow changes to map neuronal activity in the brain. (sciencedaily.com)
My main research focus is on relating functional magnetic resonance imaging (fMRI) connectivity measures to addiction and self-control with machine learning algorithms. (tu-dresden.de)
More than forty thousand papers have been published using functional magnetic resonance imaging (fMRI) technology to explore the brain. (madinamerica.com)
Functional magnetic resonance imaging (fMRI) has become an increasingly popular form of research in neuroscience, psychiatry, and psychology over the past twenty-five years. (madinamerica.com)
The names of these techniques are: functional Magnetic Resonance Imaging (fMRI) for oxygen and Positron Emission Tomography (PET) for glucose. (iscast.org)
The first part of this thesis describes how structural and functional neuroimaging of individuals carrying a mutation in one of the Parkinson disease (PD) genes ( Parkin , PINK1 and LRRK2 ) offers a unique new avenue to obtain insights into the pathophysiology of PD and how fMRI can be used to identify compensatory mechanisms that help to prevent development of overt disease or delay clinical manifestation. (ru.nl)
We use multiple functional brain mapping techniques (fMRI, diffusion tensor imaging, and intracranial EEG) and structural and molecular imaging techniques to better define individual functional anatomy in patients with neurosurgical diseases, cross-validate information acquired through different techniques, and gain a better understanding of the relationship between these different brain signals. (dana-farber.org)
ANI research infrastructure houses three functional neuroimaging modalities, functional magnetic resonance imaging (fMRI) at Advanced Magnetic Imaging (AMI) Centre, magnetoencephalography (MEG) at MEG Core and Aalto Behavioral Laboratory (ABL). (aalto.fi)

Recently, Magnetic particle imaging has been proposed as a new sensitive imaging technique that has sufficient temporal resolution for functional neuroimaging based on the increase of cerebral blood volume. (wikipedia.org)
First pre-clinical trials have successfully demonstrated functional imaging in rodents. (wikipedia.org)
These techniques, including magnetic resonance imaging (MRI), positron emission tomography (PET), electroencephalogram (EEG), and magnetoencephalography (MEG), have been used to study abnormal brain functions and structures in patients with different types of headaches. (biomedcentral.com)
Limbic abnormalities in affective processing by criminal psychopaths as revealed by functional magnetic resonance imaging. (springer.com)
Dolan MC, Fullam RS: Psychopathy and functional magnetic resonance imaging blood oxygenation level-dependent responses to emotional faces in violent patients with schizophrenia. (springer.com)
Magnetic resonance imaging of the living brain: evidence for brain degeneration among alcoholics and recovery with abstinence. (sri.com)
Magnetic resonance imaging (MRI) provides a safe, noninvasive method to examine the brain's macrostructure, microstructure, and some aspects of how the living brain functions. (sri.com)
In addition, functional imaging studies provide evidence that the brain compensates for cognitive deficits. (sri.com)
The multisensory attentional consequences of tool use: a functional magnetic resonance imaging study. (ox.ac.uk)
METHODOLOGY/PRINCIPAL FINDINGS: We tested this hypothesis by scanning healthy human participants' brains using functional magnetic resonance imaging, while they used a simple tool to discriminate between target vibrations, accompanied by congruent or incongruent visual distractors, on the same or opposite side to the tool. (ox.ac.uk)
The functional magnetic resonance imaging experiments involved healthy subjects watching fearful or non-emotional facial expressions. (kcl.ac.uk)
Magnetic resonance imaging (MRI) is more sensitive and accurate than CT for detecting contusions because of its multiplanar capability and greater sensitivity for edema. (medscape.com)
A variety of imaging modalities, including structural and functional magnetic resonance imaging (MRI) and positron emission tomography (PET) studies of cerebral metabolism, have shown characteristic changes in the brain of patients with Alzheimer disease in prodromal and even presymptomatic states. (medscape.com)
Coronal, T1-weighted magnetic resonance imaging (MRI) scan in a patient with moderate Alzheimer disease. (medscape.com)
Axial, T2-weighted magnetic resonance imaging (MRI) scan reveals atrophic changes within bilateral temporal lobes with prominence of the sylvian fissures. (medscape.com)
Thirty-six healthy women underwent magnetic resonance imaging (MRI) before and after 4-week treatment with NB32 ( n = 16) or with placebo ( n = 20). (nature.com)
In each imaging visit, a 5-min resting-state functional MRI scan was conducted after 15 h of fasting. (nature.com)
Dr. Ment and her colleagues employ serial neurodevelopmental outcome measures coupled with volumetric, functional and diffusion tensor imaging strategies to assess the influence of these perturbations on neural connectivity and the relationship of connectivity to outcome. (yale.edu)
We sought to develop a clinical workflow and uniquely capable custom software tool to integrate advanced 3-tesla 3D proton magnetic resonance spectroscopic imaging ( 1 H-MRSI) into industry standard image-guided neuronavigation systems, especially for use in brain tumor surgery. (karger.com)
The development of magnetic resonance imaging (MRI) techniques has defined modern neuroimaging. (biorxiv.org)
Since its inception, tens of thousands of studies using techniques such as functional MRI and diffusion weighted imaging have allowed for the non-invasive study of the brain. (biorxiv.org)
Here we use functional magnetic resonance imaging to characterize this process. (nature.com)
Oxford Centre for Functional Magnetic Resonance Imaging of the Brain (FMRIB), University of Oxford, Oxford, UK. (nih.gov)
Functional connectivity (FC) imaging is a minimally invasive technique by which circuit and network function can be observed in vivo in the human and animal brain. (biorxiv.org)
While FC imaging is a powerful tool that provides insight into how the brain functions under a wide variety of conditions, the development of the functional connectome between birth and adulthood is not well-characterized. (biorxiv.org)
An investigation of functional and anatomical connectivity using magnetic resonance imaging. (mpg.de)
Is there a change in water proton density associated with functional magnetic resonance imaging? (mpg.de)
The results suggest that a relatively simple magnetic resonance imaging (MRI) measure might be a reasonable biomarker for early AD," wrote William Jagust at the University of California, Berkeley, in an accompanying JAMA Neurology editorial. (alzforum.org)
This imaging measure, called resting-state functional connectivity MRI, reveals synchronized activity within brain networks. (alzforum.org)
The Pediatric Neuro-Imaging Service offers magnetic resonance (MR) and computed tomography (CT) evaluation of the nervous system for newborns, infants and children. (massgeneral.org)
The service routinely performs diffusion-weighted imaging, perfusion-weighted imaging, proton MR spectroscopy, functional MR imaging and high-resolution phased-array imaging. (massgeneral.org)
Sadato N. Neural substrate of shared attention as social memory: A hyper scanning functional magnetic resonance imaging study. (benthamscience.com)
The goal is to improve the clinical effect and reduce the possible side effects after an optimized implantation of the stimulation electrodes on the basis of the connectivity determined using magnetic resonance imaging. (unimedizin-mainz.de)
Structural magnetic resonance tomography data are evaluated using diffusion-weighted imaging techniques, probabilistic tractography (FSL, SPM, VBM) as well as T1 images (Freesurfer, SPM) to perform network characterizations (BCT, NBS) and connectivity analyses. (unimedizin-mainz.de)
There is accumulating research, however, that shows promise for the future clinical application of functional magnetic resonance imaging in sport concussion assessment and management. (bmj.com)
Medical imaging systems have shown remarkable advances in recent years, particularly regarding the interpretation of functional responses to complex stimuli. (iscast.org)
Longitudinal studies with repeated functional imaging are now needed to assess whether the observed cortical changes are predictive of PD during the premotor phase and if they are, whether these increase or attenuate when subjects develop clinical signs of PD. (ru.nl)
The Golby Lab is a translational multidisciplinary group of investigators focusing on functional brain mapping using both structural and functional imaging techniques to guide neurosurgical planning and intra-operative decision making. (dana-farber.org)
This work aims to integrate information acquired from pre-operative brain mapping with intra-operative brain mapping and intra-operative imaging to define functional brain anatomy for surgical planning. (dana-farber.org)
The Golby Lab is funded by the Brain Science Foundation, The Klarman Family Foundation, CIMIT Harvard Catalyst, and the National Institutes of Health, allowing her to assemble a team of extraordinary scientists from different backgrounds, working collaboratively to advance the field of image-guided surgery and functional brain imaging. (dana-farber.org)
Nowadays, the use of functional imaging techniques allows detailed investigations of the brain circuits engaged during the performance of stimulation paradigms that involve different aspects of emotional processing in the healthy human brain. (bvsalud.org)
This article discusses the basic principles of the methods most often employed in functional neuroimaging studies of emotion, selectively reviews recent findings obtained in these studies, provide examples of new paradigms currently being used in such kind of investigation, and outlines recent neuroanatomical models of emotional processing that have emerged from the contemporary functional imaging literature. (bvsalud.org)
Finally, we emphasize the potential of functional imaging techniques to increase knowledge about the modulatory action of medications used to treat mental conditions that alter specific emotional processes, such as depression and anxiety disorders. (bvsalud.org)
Figure 2 Magnetic resonance imaging scans creatinine (normal range: traces). (who.int)
Computerized tomography (CT) and magnetic resonance imaging (MRI) scans infections and sick days. (who.int)
At that time, my plan was to integrate multiple different tools, like functional brain imaging, EEG, and transcranial magnetic stimulation, to manipulate neural networks and understand how these complex interactions between brain areas underlie the interface of attention and memory. (medscape.com)
Mostajeran M, Wetterling F, W Blixt F, Edvinsson L, Ansar S. Acute mitogen-activated protein kinase 1/2 inhibition improves functional recovery and vascular changes after ischaemic stroke in rat-monitored by 9.4 T magnetic resonance imaging. (lu.se)

Transcranial magnetic stimulation (TMS) represents a methodology in which nerve and muscle cells can be contactlessly and painlessly stimulated via the induction principle. (unimedizin-mainz.de)
The second part of this thesis is focused on Transcranial Magnetic Stimulation (TMS) to induce cerebral reorganization in healthy controls and patients with clinically overt PD. (ru.nl)

doi: 10.1016/j.neuroimage.2019.01.063. (nih.gov)

An active area of neuroimaging research involves examining the functional connectivity of spatially remote brain regions. (wikipedia.org)
Functional connectivity analyses allow the characterization of interregional neural interactions during particular cognitive or motor tasks or merely from spontaneous activity during rest. (wikipedia.org)
A direct method to measure functional connectivity is to observe how stimulation of one part of the brain will affect other areas. (wikipedia.org)
They reported that in non-REM sleep, although the brain responds vigorously to stimulation, functional connectivity is much attenuated from its level during wakefulness. (wikipedia.org)
Here we used functional connectivity density (FCD) mapping to evaluate the effects of NB32 on resting brain FC. (nature.com)
Functional connectivity for the language network in the developing brain: 30 weeks of gestation to 30 months of age Scheinost D, Chang J, Lacadie C, Brennan-Wydra E, Constable RT, Chawarska K, Ment LR . (yale.edu)
Functional connectivity for the language network in the developing brain: 30 weeks of gestation to 30 months of age. (yale.edu)
However, the emergence of functional connectivity (FC) in development has not been fully characterized, and hemodynamic-based measures are vulnerable to any neurovascular coupling changes occurring in parallel. (biorxiv.org)
While structural connectivity characterizes intra- and interregional physical connections, FC investigates the functional relationship between neural activity in different brain regions, and has been used extensively in clinical populations as well as in animal models to probe healthy function and disease-related dysfunction. (biorxiv.org)

Functional neuroimaging is the use of neuroimaging technology to measure an aspect of brain function, often with a view to understanding the relationship between activity in certain brain areas and specific mental functions. (wikipedia.org)
Moreover, studies that aimed to develop new intervention approaches also applied neuroimaging techniques to associate the changes of brain responses with the changes of headache symptoms, exploring a deeper understanding of the treatment mechanism thus facilitating treatment protocols. (biomedcentral.com)
The brain functional network topology in new daily persistent headache (NDPH) is not well understood. (biomedcentral.com)
Neuroimaging has revealed that migraine is linked to alterations in both the structure and function of the brain. (biomedcentral.com)
Research showing correlations between brain structure and quantitative neuropsychological testing demonstrates the functional consequences of the pathology. (sri.com)
Functional maps of the entire brain were obtained from 30 right-handed subjects. (jneurosci.org)
MRI can be considered the preferred neuroimaging examination for Alzheimer disease because it allows accurate measurement of the 3-dimensional (3D) volume of brain structures, especially the size of the hippocampus and related regions. (medscape.com)
Neuroimaging is widely believed to be generally useful for excluding reversible causes of dementia syndrome such as normal-pressure hydrocephalus, brain tumor, and subdural hematoma, and for excluding other likely causes of dementia such as cerebrovascular disease. (medscape.com)
Neuroimaging of the Preterm Brain: Review and Recommendations Inder TE, de Vries LS, Ferriero DM, Grant PE, Ment LR , Miller SP, Volpe JJ. (yale.edu)
Neuroimaging of the Preterm Brain: Review and Recommendations. (yale.edu)
This is combined with a brief history of research into language and the brain beginning in the nineteenth century, as well as an overview of the state-of-the-art neuroimaging and analysis techniques that are used to investigate phonetics in the brain today. (lu.se)
Magnetoencephalography ( MEG ) is a functional neuroimaging technique for mapping brain activity by recording magnetic fields produced by electrical currents occurring naturally in the brain , using very sensitive magnetometers . (wikipedia.org)
Over the past decade, neuroimaging studies have identified at least 20 different brain regions that show altered BOLD or PET responses during music listening. (frontiersin.org)
One size fits all does not apply to brain lateralisation: Comment on "Phenotypes in hemispheric functional segregation? (kcl.ac.uk)
Growing evidence suggests that Internet-related addictions are also associated with breakdown of functional brain networks. (researchgate.net)
functional brain networks. (researchgate.net)
The Golby Lab pursues translational research multi-modality image-guided neurosurgery with a particular interest in functional brain mapping. (dana-farber.org)
All infants had brain abnormalities on neuroimaging consistent with congenital Zika syndrome, including decreased brain volume, ventriculomegaly, subcortical calcifications, and cortical malformations. (cdc.gov)
Early neuroimaging might identify brain abnormalities related to congenital Zika infection even among infants with a normal head circumference ( 4 ). (cdc.gov)
Furthermore, cortical thickness is reduced in SARS-CoV-2-infected patients, suggesting that SARS-CoV-2 can induce pathologic changes in the brain, which may be linked to the functional deficits noted in those patients. (cdc.gov)

Alzheimer disease is diagnosed via clinical, neuropsychological, and neuroimaging assessments. (medscape.com)
We use a variety of techniques including neuropsychological assessments, experimental behavioral assessments and particularly advanced neuroimaging methods to study these questions in young and older adults and patients with mild cognitive impairment, Alzheimer's disease, Parkinson's disease and epilepsy. (hopkinsmedicine.org)

Structural and functional neuroimaging of post-traumatic stress disorder and cognitive impairment in World Trade Center responders. (cdc.gov)

Currently, the improvement of detection modalities (i.e., direct detection of 13 C isotopomers), the progress in building adequate mathematical models along with the increase in magnetic field strength now available render possible detailed compartmentalized metabolic flux characterization. (frontiersin.org)

With the development and optimization of non-invasive techniques, such as nuclear magnetic resonance spectroscopy (MRS), several groups have worked on assessing cerebral metabolism in vivo . (frontiersin.org)
McKnight TR, von dem Bussche MH, Vigneron DB, Lu Y, Berger MS, McDermott MW, Dillon WP, Graves EE, Pirzkall A, Nelson SJ: Histopathological validation of a three-dimensional magnetic resonance spectroscopy index as a predictor of tumor presence. (karger.com)
Characterization of cerebral small vessel disease by proton spectroscopy and morphological magnetic resonance. (mpg.de)

We investigated the roles of storage and parsing in the visual domain for the productive Dutch plural suffix -en.Two experiments are reported that show that storage occurs for high-frequency noun plurals. (mpi.nl)

Functional neuroimaging draws on data from many areas other than cognitive neuroscience and social neuroscience, including other biological sciences (such as neuroanatomy and neurophysiology), physics and maths, to further develop and refine the technology. (wikipedia.org)
The goal of this article is to provide a selective and targeted review of the neuroimaging literature on psychopathic tendencies and antisocial behavior and to explore the extent to which this literature supports recent cognitive neuroscientific models of psychopathy and antisocial behavior. (springer.com)
Biological Psychiatry: Cognitive Neuroscience and Neuroimaging, 4 (4), 381-389. (dgps.de)
The cortex is severely damaged (eliminating cognitive function), but the reticular activating system (RAS) remains functional (making wakefulness possible). (msdmanuals.com)

Several studies using neuroimaging techniques have also established that posterior visual areas in blind individuals may be active during the performance of nonvisual tasks such as Braille reading, memory retrieval, and auditory localization as well as other auditory functions. (wikipedia.org)
Functional neuroimaging studies have to be carefully designed and interpreted with care. (wikipedia.org)
Neuroimaging studies have made an important contribution to our understanding of headache pathophysiology. (biomedcentral.com)
Taking into consideration the limited number of studies used in previous studies in Internet addiction (IA), our aim was to investigate the functional correlates of IA in the default mode network (DMN) and in the inhibitory control network (ICN). (researchgate.net)
However, the specific functional contributions of areas along this pathway remain elusive due in part to methodological differences across studies. (elifesciences.org)

Although diagnosing dementia is largely a clinical endeavor, neuroimaging plays an increasingly important role in accurately determining the underlying etiology, which extends beyond its traditional role in excluding other causes of altered cognition. (medscape.com)
He is also a editorial reviewer for the following journals: Journal of Neurotherapy, Neuroregulation, Journal of Autism and Developmental Disorders, Frontiers in Child Health and Human Development, Clinical Neurophysiology, Neuroimage, and Journal of Psychophysiology. (brainclinics.com)
At one end of the clinical spectrum, essential blepharospasm is manifested by simple increased blink rate and intermittent eyelid spasms, while at the other end of the spectrum, blepharospasm is a disabling condition with ocular pain and functional blindness. (medscape.com)

Journal Of Neuroimaging 2022, 33: 79-84. (yale.edu)

Other methods of neuroimaging involve recording of electrical currents or magnetic fields, for example EEG and MEG. (wikipedia.org)
Synchronized neuronal currents induce weak magnetic fields. (wikipedia.org)

Perhaps this is due to difficulties involved in combining natural vestibular stimulation with non-invasive neuroimaging. (unil.ch)

In this study, we aim to assess the cortical functional network topological characteristics of NDPH using n. (biomedcentral.com)
The brain's magnetic field, measuring at 10 femto tesla (fT) for cortical activity and 10 3 fT for the human alpha rhythm , is considerably smaller than the ambient magnetic noise in an urban environment, which is on the order of 10 8 fT or 0.1 μT. (wikipedia.org)

[ 9 ] The AAN suggests that neuroimaging may be most useful for patients with dementia characterized by early onset or an unusual course. (medscape.com)

Importantly, altered relationships within the prefrontal cortex appear to have widespread functional consequences, affecting motivation, emotion, language as well as motor control and may generalize to other forms of spontaneous creative behavior. (nature.com)

The techniques for automatically generating transformed functional data sets from manually labeled anatomical data sets are described. (nih.gov)
The development of non-invasive neuroimaging techniques has significantly advanced our understanding of headache pathophysiology. (biomedcentral.com)
Advanced neuroimaging techniques have extensively contributed to elucidate the complex mechanisms underpinning the pathophysiology of migraine, a neurovascular disorder characterized by episodes of headache as. (biomedcentral.com)
When applying these neuroimaging techniques, precision is improved by comparing two images, taken when the person is responding to two different types of task. (iscast.org)

The neuroimaging methods have provided means for exploring the functional anatomy of the headache related nuclei. (biomedcentral.com)
New neuroimaging methods not only facilitate diagnosis of the most common neurodegenerative conditions (particularly AD) after symptom onset but also show diagnostic promise even at very early or presymptomatic phases of the disease. (medscape.com)

Therefore, a combined neurogenetic-neuroimaging approach was used to examine the functional consequences of premotor dopaminergic nigrostriatal dysfunction in the human motor system. (ru.nl)

Manual placement of markers on anatomical landmarks allows transformation of anatomical and functional scans into stereotaxic (Talairach-Tournoux) coordinates. (nih.gov)

Facilities are provided for several types of statistical analyses of multiple 3D functional data sets. (nih.gov)
Nitime: time-series analysis for neuroimaging data. (crossref.org)

Proof-of-principle analyses revealed that calcium FC displayed coherent functional maps as early as P15, and FC significantly varied in connections between many regions across development, with the developmental trajectory's shape specific to the functional region. (biorxiv.org)

Continuous arterial spin labeling using a local magnetic field gradient coil. (mpg.de)

We tested the hypothesis that using a simple tool to perceive vibrotactile stimuli results in the enhanced processing of visual stimuli presented at the distal, functional part of the tool. (ox.ac.uk)
CONCLUSIONS/SIGNIFICANCE: These results show that using a simple tool to locate and to perceive vibrotactile stimuli is accompanied by a shift of spatial attention to the location where the functional part of the tool is used, resulting in enhanced processing of visual stimuli at that location, and decreased processing at other locations. (ox.ac.uk)

Such modulations of visual processing may reflect the functional importance of visuospatial information during human tool use. (ox.ac.uk)

Gordon HL, Baird AA, End A: Functional differences among those high and low on a trait measure of psychopathy. (springer.com)

Anatomy25

Diseases36

Chemicals and Drugs4

Analytical, Diagnostic and Therapeutic Techniques and Equipment40

Psychiatry and Psychology68

Phenomena and Processes15

Disciplines and Occupations9

Anthropology, Education, Sociology and Social Phenomena2

Technology, Industry, Agriculture1

Humanities2

Information Science14

Health Care8

FMRI18

Imaging47

Transcranial magnetic st2

10.10161

Connectivity9

Brain20

Neuropsychological2

Structural and functional1

Modalities1

Spectroscopy3

Experiments1

Cognitive4

Studies5

Clinical3

20221

Currents2

Stimulation1

Cortical2

Dementia1

Prefrontal cortex1

Techniques4

Methods2

Consequences1

Anatomical1

Data2

Analyses1

Arterial1

Stimuli2

Visuospatial1

Differences1