Cortical susceptibility. Medical search. Frequent questions

To investigate the diagnostic value of the magnetic susceptibility-weighted imaging and routine magnetic resonance imaging in cerebral amyloid angiopathy hemorrhage. (ijpsonline.com)
All patients were diagnosed by routine magnetic resonance imaging and magnetic susceptibility-weighted imaging before the operation. (ijpsonline.com)
Multivariate Logistic regression analysis was used to analyze the preoperative imaging features of routine magnetic resonance imaging and magnetic susceptibility-weighted imaging and the risk of focal hemorrhage. (ijpsonline.com)
Based on the postoperative pathological results, the sensitivity of routine magnetic resonance imaging and magnetic susceptibility-weighted imaging was 67.50 % and 90.25 %, respectively. (ijpsonline.com)
Magnetic susceptibility-weighted imaging has obvious advantages in detecting the micro cerebral hemorrhage, and it can show the characteristics of the cerebral amyloid angiopathy multiple hemorrhages, and its diagnostic value was better than that of routine routine magnetic resonance imaging. (ijpsonline.com)
In recent y, with the development of science and technology, magnetic susceptibility-weighted imaging (SWI) with higher sensitivity was used in the diagnosis of the minute lesions of central nervous system diseases [ 4 , 5 ]. (ijpsonline.com)
Objective: We investigate the implications of high magnetic field strength on MR venography based on susceptibility-weighted imaging (SWI) and estimate the optimum echo time to obtain maximum contrast between blood and brain tissue. (eur.nl)
Cerebral microbleeds (CMBs) are 2-10mm, rounded or circular, well-defined hypointense lesions on gradient-echo T2*-weighted images (GRE T2*WI) or susceptibility-weighted images (SWI) of magnetic resonance imaging (MRI). (dovepress.com)
To map microstructure‐specific magnetic susceptibility in orientationally heterogeneous material, it is thus imperative to regress out unwanted orientation effects. (edu.au)
This work introduces a novel framework, referred to as microscopic susceptibility anisotropy imaging, that disentangles the 2 principal effects conflated in gradient‐echo measurements, (a) the susceptibility properties of tissue microenvironments, especially the myelin microstructure, and (b) the axon orientation distribution relative to the magnetic field. (edu.au)
A human pilot study at 3 T demonstrates proxy maps of microscopic susceptibility anisotropy unconfounded by fiber crossings and orientation dispersion as well as magnetic field direction. (edu.au)

These mutations may lead to both the hyper- and hypoexcitable neurons that might underlie cortical-spreading-depression. (wikipedia.org)
These compounds then interact with neighboring neurons, altering their excitability and leading to cortical-spreading-depression and migraine. (wikipedia.org)
Temporal regulation of dendritic dpines through NrCAM-Semaphorin3F receptor signalling in developing cortical pyramidal neurons. (mpg.de)
Dysregulated expression of neuregulin-1 by cortical pyramidal neurons disrupts synaptic plasticity. (mpg.de)
In keeping with a job in Notch signaling, ectopic appearance delays differentiation of neuronal progenitors, while deletion accelerates differentiation into cortical neurons. (exposed-skin-care.net)
This is an repesentative image of a fluorescently labeled dendrite from a cortical pyramidal neurons. (ohsu.edu)
Assessment of brain metabolite correlates of adeno-associated virus-mediated over-expression of human alpha-synuclein in cortical neurons by in vivo (1) H-MR spectroscopy at 9.4 T. (lu.se)

Title : Changes in Cortical Plasticity in Relation to a History of Concussion during Adolescence Personal Author(s) : Meehan, Sean K.;Mirdamadi, Jasmine L.;Martini, Douglas N.;Broglio, Steven P. (cdc.gov)
We tested the hypothesis that inflammation disrupts developmental cortical plasticity in vivo using the mouse ocular dominance model of experience-dependent plasticity in primary visual cortex. (eneuro.org)

In PND8, ex vivo analysis of hippocampal and frontal cortex slices evaluated cell viability and susceptibility to in vitro glutamate challenge. (iasp-pain.org)
In adult rats, behavioral parameters related to anxiety-like behavior, short-term memory, and locomotor activity (PND60-62) and ex vivo analysis of cell viability, membrane permeability, glutamate uptake, and susceptibility to in vitro glutamate challenge in hippocampal and cortical slices from PND65. (iasp-pain.org)
A single isoflurane (3%, 2 h) exposure at PND7 did not acutely alter cell viability in cortical and hippocampal slices of infant rats (PND8) per se and did not alter slice susceptibility to in vitro glutamate challenge. (iasp-pain.org)
Ex vivo analysis of brain slices showed isoflurane neonatal exposure selectively decreased cell viability and glutamate uptake in cortical slices, but it did not alter hippocampal slice viability or glutamate uptake (PND65). (iasp-pain.org)
Isoflurane exposure did not alter in vitro glutamate-induced neurotoxicity to slices, and isoflurane exposure caused no significant long-term damage to cell membranes in hippocampal or cortical slices. (iasp-pain.org)
however, it reduced cortical, but not hippocampal, slice viability and glutamate uptake in the adulthood. (iasp-pain.org)
Nicotine effects on rat seizures susceptibility and hippocampal neuronal degeneration. (nel.edu)
Riljak V, Maresova D, Pokorny J. Nicotine effects on rat seizures susceptibility and hippocampal neuronal degeneration. (nel.edu)

The notion of sleep as a local, activity-dependent process suggests that activity history must be integrated to determine the dynamics of global Process S. Here, we developed novel mathematical models of Process S based on cortical activity recorded in freely behaving mice, describing local Process S as a function of the deviation of neuronal firing rates from a locally defined set-point, independent of global sleep-wake state. (elifesciences.org)

The Fmr1 knockout (KO) mouse is a well characterized animal model for FXS which also shows signs of auditory hypersensitivity, including increased acoustic startle and susceptibility to audiogenic seizures. (escholarship.org)
Treatment for seizures due to cortical dysplasia typically begins with anti-seizure medications. (hopkinsmedicine.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)
In Paper V, we used tensor-valued diffusion encoding in malformations of cortical development. (lu.se)

As above, we simply compute the sum of all weighted subcortico-cortical connections for every subcortical area. (readthedocs.io)
For simplicity, in the following example, we will spatially correlate degree centrality measures to measures of cortical and subcortical atrophy (where lower values indicate greater atrophy relative to controls). (readthedocs.io)

The findings on MRI and CT scanning include cortical and cerebellar atrophy of the brain, as well as focal lesions (including demyelinating lesions and, rarely, xanthomata) in the cerebellum, basal ganglia, and cerebrum. (medscape.com)
OBJECTIVE: The purpose of this investigation was to determine whether there is an association between the putative reading disability (RD) susceptibility gene Doublecortin Domain Containing 2 (DCDC2), and gray matter (GM) distribution in the brain, in a sample of healthy control individuals. (nih.gov)
Using this optimum TE, we acquired 3D high resolution datasets with a large volume coverage in a short measurement time that show very detailed microanatomical structures of the human brain such as intracortical veins and laminar cortical substructures. (eur.nl)
Our focus is on cortical-striatal-limbic pathways, particularly those brain regions and circuits that are sensitive to both chronic alcohol and stress in negative emotional states, executive function, sensory perception of associative processes and a new direction of pain perception/reactivity. (ohsu.edu)
According to him another challenge in studying the MTL in humans is that this brain region is strongly affected by susceptibility artefacts, therefore the ability to get good-quality signal from this brain region is highly limited. (anxiety-stress-management.com)
Baseline oxygenation in the brain: Correlation with BOLD and comparison between susceptibility and respiratory-calibration methods. (mpg.de)
Brain tissue microstructure: Insights from relaxation and susceptibility. (mpg.de)
Other epilepsies occur as a result of brain trauma, stroke, infection, tumor or genetic susceptibility. (hopkinsmedicine.org)

How much resolution is needed for in-vivo analysis of cortical myeloarchitecture? (mpg.de)

Daniel Reznik concludes and adds: "Similar cortical networks also exist in animals and perhaps the most exciting finding is that we have now evidence for potentially new cortical pathways in the human memory system compared with non-human primates. (anxiety-stress-management.com)

The quantitative recovery of microscopic susceptibility features in the presence of orientational heterogeneity potentially improves the assessment of microstructural tissue integrity. (edu.au)

Structural and functional studies of humans with FXS indicate auditory cortical deficits. (escholarship.org)

Molecules: Our focus is on pro-stress as well as anti-stress systems and their risks/adaptations as they may relate to susceptibility vs. resilience (respectively) in terms of stress-alcohol interactions. (ohsu.edu)

Cortical development and myelination in the absence of schizophrenia susceptibility gene Neuregulin 1. (mpg.de)

Purpose: To distinguish cerebral venous clots from patent dural sinuses, cortical veins, and calvarium on high-resolution susceptibility-weighted imaging, since there is lack of a well-designed study in the literature. (psu.edu)
Conclusion: Susceptibility-weighted imaging can successfully distinguish majority of clots from patent dural sinuses, cortical veins, and calvarium with excellent inter-rater agreements. (psu.edu)

Our data recommend the introduction of genes in human beings may have added to the upsurge in size and intricacy of the individual neocortex at the trouble of susceptibility to 1q21.1 distal duplication/deletion symptoms. (exposed-skin-care.net)
Incomplete conversion of the sulfhydryl -SH group onto S-S disulfide bonds in the protein of the cortical fibers leads to cortical softness and subsequent invagination of the fully keratinized distal hair shaft into the softer, abnormally keratinized proximal hair shaft. (medscape.com)

For additional details on hub susceptibility models, please see our manuscript entitled Network-based atrophy modeling in the common epilepsies: a worldwide ENIGMA study . (readthedocs.io)

MR venography along with MR sequences other than the susceptibility-weighted imaging served as the reference standard. (psu.edu)

These findings suggest that FXS is associated with developmental impairments in cortical processing. (escholarship.org)

Phase images, however, contain a wealth of information about local susceptibility changes between tissues, 1 , 22 , 26 , 57 - 63 which can be useful in measuring iron content 26 and other substances that change the local field. (ajnr.org)
In addition, lung tissues and cortical bones, which are 2 important tissue types in attenuation maps, exhibit low signals on images acquired using conventional MR pulse sequences because of their low water content and short transverse relaxation time. (snmjournals.org)

A lumbar spine radiograph demonstrated cortical irregularity at L4-L5, indicative of discitis. (cdc.gov)
The antimicrobial susceptibility profiles of the blood isolates from November and February and the lumbar isolate from April are shown in the Table . (cdc.gov)

The HCP connectivity data can also be used to identify structural and functional subcortico-cortical hub regions. (readthedocs.io)
These time windows are considered as specific periods of susceptibility for breast cancer because significant structural and functional changes occur in the mammary gland, as well as alterations in the mammary micro-environment and hormone signaling that may influence risk. (biomedcentral.com)

These time intervals represent windows of susceptibility (WOS) and coincide with landmark events when a woman's breast tissue changes in structure and function including the prenatal, pubertal, pregnancy, and menopausal WOS. (biomedcentral.com)

Neuroadaptive changes in neural activity occur in limbo-cortical structures although changes at the level of the GABAA receptor do not provide an adequate explanation for these functional changes. (strath.ac.uk)
2014). In the modified set up this locus harbors three human-specific NOTCH2-produced genes we contact genes within the last few LRCH1 million years after divergence from chimpanzeeshumans obtained brand-new, secreted NOTCH-like proteins that may enhance Notch signaling and could prolong cortical neurogenesis by delaying differentiation of neural progenitors. (exposed-skin-care.net)

Another cause of spontaneous closure over time as necessary to remove the ear are lost with cortical nephrons, have reduced concentrat-ing ability, the elderly have increased susceptibility to infection by nosocomial organisms that may result in eventual normalization of growth hormone gh follicle-stimulating hormone lh, luteinizing hormone. (elastizell.com)

The influence of environmental chemicals on breast cancer risk may be greater during several windows of susceptibility (WOS) in a woman's life, including prenatal development, puberty, pregnancy, and the menopausal transition. (biomedcentral.com)

Identifying heavily myelinated areas of the cortex using subject-specific cortical profiles of T1. (mpg.de)

To make the information more accessible to radiologists, though phase and magnitude images separately are also critical pieces of information, we combined the phase and the magnitude information and thus created a new susceptibility-weighted magnitude image, which today is referred to as SWI. (ajnr.org)

Individual differences in risk factors: Individual differences in susceptibility to stress and interaction with risk factors for excessive alcohol drinking, abstinence/relapse and recovery. (ohsu.edu)

Susceptibility-weighted imaging (SWI) is a new means to enhance contrast in MR imaging. (ajnr.org)
Hence, for nearly 20 years, phase information in flow-compensated sequences went essentially unused as a means to measure susceptibility in clinical MR imaging. (ajnr.org)
1 This set the stage for discovering other aspects of susceptibility imaging and even hinted at the future direction of susceptibility mapping. (ajnr.org)
In the current study, the scientists solved these challenges in MTL imaging and finally explored the distributed cortical anatomy associated with different subregions of the human temporal lobe in individuals. (anxiety-stress-management.com)
Phase imaging and susceptibility mapping - Theory and applications. (mpg.de)
Methods: A retrospective review of 51 consecutive cases and 27 controls was performed with susceptibility-weighted imaging independently by two investigators. (psu.edu)

Ascorbic acid and alpha-tocopherol protect age-dependently from hypoxia-induced changes of cortical excitability in developing rats. (nel.edu)

Using field simulations to understand susceptibility related phase contrast in high field gradient echo images. (mpg.de)

Familial Hemiplegic Migraine (FHM) is an autosomal dominantly inherited form of migraine with aura (MA, as opposed to migraine without aura, MO), in which the accompanying aura symptom of the typical half-sided headache is transient motor weakness (hemiparesis) that is frequently accompanied by other cortical symptoms. (frontiersin.org)

All MIC susceptibilities were determined by broth microdilution methods per Clinical and Laboratory Standards Institute guidelines. (cdc.gov)

Cortical bone-derived stem cells (CBSCs) are reportedly essential for osteogenic lineages, bone maintenance and repair. (biomedcentral.com)

They discovered previously unknown cortical networks and shed light on the anatomical organization of the human memory system. (anxiety-stress-management.com)

Growing evidence from animal and human studies indicates that distinct time periods of heightened susceptibility to endocrine disruptors exist throughout the life course. (biomedcentral.com)
This allowed us to identify cortical networks associated with the human medial temporal lobe that were unknown to previous human memory research. (anxiety-stress-management.com)

The CODIVIDE model combined data acquired with different b-tensor shapes to remove NODDI assumptions and reduce the susceptibility to bias. (lu.se)
Linked to Body 4 (A) MA story of RNA-sequencing data of mouse cortical organoids predicated on DESeq2 evaluation. (exposed-skin-care.net)
Calculation of susceptibility maps from phase image data. (mpg.de)

This cortical area has traditionally received little attention, mainly because of its hidden location and the virtual absence of focal lesion studies. (blogspot.com)

In the scientific literature there are still controversies about the increase in susceptibility to fracture of teeth, and the use of intracanal retainers to increase the strength of debilitated roots after endodontic therapy 1-4 . (bvsalud.org)

This page contains descriptions and examples to build hub susceptibility models. (readthedocs.io)

This is done by simply computing the sum of all weighted cortico-cortical connections for every region. (readthedocs.io)

Anatomy11

Organisms36

Diseases29

Chemicals and Drugs78

Analytical, Diagnostic and Therapeutic Techniques and Equipment35

Phenomena and Processes63

Disciplines and Occupations1

Anthropology, Education, Sociology and Social Phenomena1

Technology, Industry, Agriculture1

Information Science3

Named Groups3

Health Care14

Geographicals5

Magnetic11

Neurons7

Plasticity2

Hippocampal8

Neuronal1

Seizures2

Malformations2

Subcortical2

Brain8

Vivo1

Pathways1

Quantitative1

Deficits1

Resilience1

Schizophrenia1

Veins2

Distal2

Atrophy1

Venography1

Developmental1

Tissues2

Lumbar2

Structural and functional2

Tissue1

Neural2

Infection1

BREAST CANCER1

Cortex1

Magnitude1

Differences1

Imaging6

Excitability1

Echo1

Symptoms1

Clinical1

Bone1

Organization1

Human2

Data3

Area1

Increase1

Page1

Region1