• 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)
  • Functional magnetic resonance imaging or functional MRI (fMRI) measures brain activity by detecting changes associated with blood flow. (wikipedia.org)
  • Functional magnetic resonance imaging (FMRI) was used to identify candidate language processing areas in the intact human brain. (jneurosci.org)
  • Here we assess neural responses to emotional faces (fear, happy, and neutral) using Blood Oxygen-Level Dependent (BOLD) functional Magnetic Resonance Imaging (fMRI). (researchgate.net)
  • Of these, up to 30 patients, meeting the inclusion criteria for functional Magnetic Resonance Imaging (fMRI) are asked for participation in the a sub-study including an fMRI investigation as well as an optometric and OCT investigation. (ichgcp.net)
  • In a randomised double-blind trial the subjective, neuropsychological and brain activation effects of the two enantiomers of the MDMA (ecstasy-) like drug N-ethyl-3,4-methylenedioxyamphetamine (MDE) were studied in five normal subjects using functional magnetic resonance imaging (fMRI). (erowid.org)
  • An essential part of this research is data collection based on electroencephalography (EEG) and (in the near future) functional magnetic resonance imaging (fMRI). (ifado.de)
  • We leverage the unprecedented scale and quality of the Natural Scenes Dataset to constrain neural network models of these ROIs with functional Magnetic Resonance Imaging (fMRI) measurements. (biorxiv.org)
  • 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)
  • Here, we used functional Magnetic Resonance Imaging (fMRI) to investigate the effects the selective dopamine D(3) receptor antagonist GSK598809 on brain activation to food images in a sample of overweight and obese binge-eating subjects. (exeter.ac.uk)
  • Imaging techniques, such as single photon emission computed tomography (SPECT), 3-T magnetic resonance imaging/angiography, and selective arterial spin-labeling magnetic resonance imaging, are valuable for identifying patients at risk for CHS. (nih.gov)
  • Advances in radiologic imaging techniques, such as computed tomography (CT) scanning and magnetic resonance imaging (MRI), have improved the ability to predict the success for complete removal of the mass. (medscape.com)
  • Hence, the present study investigated the applicability of an advanced cardiovascular magnetic resonance (CMR) whole heart imaging approach utilizing nonselective excitation and compressed sensing for anatomical assessment and interventional guidance of CHD patients in comparison to conventional dynamic CMR angiography. (techscience.com)
  • Ischemic cardiomyopathy is relatively easy to differentiate from DCM, but cardiovascular magnetic resonance (CMR) is now revealing overlapping conditions where a DCM can coexist with significant coronary artery disease (CAD). (acc.org)
  • Myocardial edema in acute myocardial infarction (AMI) is commonly imaged using dark-blood short tau inversion recovery turbo spin echo (STIR-TSE) cardiovascular magnetic resonance (CMR). (biomedcentral.com)
  • As myocardial edema has long T 2 , T 2 -weighted cardiovascular magnetic resonance (CMR) imaging is usually used in the imaging of acute myocardial infarction (AMI) [ 1 , 2 , 3 ], where edema commonly occurs. (biomedcentral.com)
  • Angiography can help make the diagnosis of ovarian vein thrombosis, but this technique is not usually performed because of the availability of noninvasive, cross-sectional imaging methods. (medscape.com)
  • Carotid CT angiography (CTA) is a commonly performed imaging study in stroke centers. (medscape.com)
  • Dr. Hassanpour has led multiple NIH-funded research projects, which resulted in novel machine learning and deep learning models for medical image analysis and clinical text mining to improve diagnosis, prognosis, and personalized therapies. (stanford.edu)
  • This report presents a comprehensive review of the literature on CHS after revascularization in MMD patients, focusing on the pathogenesis, clinical features, imaging techniques, treatment, and prognosis of CHS. (nih.gov)
  • Additionally, pre-clinical data have shown fenebrutinib to be potent and highly selective, and it is the only reversible inhibitor currently in Phase III trials for MS. (gene.com)
  • Pre-clinical data have shown fenebrutinib to be potent and highly selective, and it is the only reversible inhibitor currently in Phase III trials for MS. Fenebrutinib has been shown to be 130 times more selective for BTK vs. other kinases. (gene.com)
  • This document summarizes recommendations for the clinical and imaging work-up of pancreatic and biliary tract lesions along with indications for cytologic study of these lesions. (cytojournal.com)
  • The workup of a biliary stricture, pancreatic cyst or solid mass requires a carefully orchestrated sequence of clinical and imaging studies which may be followed by cytologic investigation. (cytojournal.com)
  • The current document describes the clinical work-up along with imaging studies as recommended by the Papanicolaou Society of Cytopathology. (cytojournal.com)
  • Because of its superb soft tissues imaging contrast, multidimensional imaging function, and absent of ionizing radiation, MRI is becoming increasingly available for clinical imaging [ 1 ]. (biomedcentral.com)
  • In the WHO African Region where most countries are classified as low- and middle-income, clinical laboratory4 and imaging services5 are inadequate, with poor and inequitable access. (who.int)
  • Ultrasound (US), magnetic resonance imaging (MRI), and CT scanning with contrast are the best radiologic modalities for making the diagnosis of ovarian vein thrombosis. (medscape.com)
  • MR imaging is much more sensitive and specific than transvaginal ultrasound examination in diagnosing adenomyosis, which may occur at the same time in as many as 20% of patients with leiomyoma (2). (czytelniamedyczna.pl)
  • Differences in magnetic properties between arterial (oxygen-rich) and venous (oxygen-poor) blood provided this link. (wikipedia.org)
  • Contrast studies are most useful for imaging arterial insufficiency. (medscape.com)
  • Using behavioral analyses combined with structural and functional magnetic resonance imaging, single-unit recording, and both permanent and temporary brain manipulations, this work has shown that the amygdala and orbitofrontal cortex cooperate to update the subjective valuations that guide decision-making. (nih.gov)
  • Functional magnetic resonance imaging studies showed that within the hippocampal formation, dysfunction was selectively observed in the DG of the transgenic animals, which corresponded to a regionally selective decrease in histone acetylation. (genengnews.com)
  • Dissociating inhibition, attention, and response control in the frontoparietal network using functional magnetic resonance imaging. (exeter.ac.uk)
  • To investigate the neural mechanisms supporting selective attention in WM in aging, we tested a large group of older adults using functional magnetic resonance imaging whilst they performed a category-based (faces/houses) selective-WM task. (ox.ac.uk)
  • T 2 -prepared balanced steady state free precession (T 2 p-bSSFP) imaging has been proposed, but its contrast is low, and averaging is commonly needed. (biomedcentral.com)
  • We propose here a single-shot magnetization prepared sequence that increases the contrast between edema and normal myocardium and apply it to myocardial edema imaging. (biomedcentral.com)
  • In simulation and phantom studies, T 2 STIR-bSSFP had improved contrast between edema and normal myocardium compared with the other two edema imaging techniques. (biomedcentral.com)
  • T 2 STIR-bSSFP has improved contrast between edematous and normal myocardium compared with commonly used bSSFP-based edema imaging techniques. (biomedcentral.com)
  • New Calcium-Selective Smart Contrast Agents for Magnetic Resonance Imaging. (mpg.de)
  • Biocytin-based contrast agents for molecular imaging: an approach to developing new in vivo neuroanatomical tracers for MRI. (mpg.de)
  • The synthesized nanocomposites exhibited highly sensitive MRI contrast function no matter in solution, cells or in vivo by synergistically enhancing positive and negative magnetic resonance imaging signals. (biomedcentral.com)
  • The dual-mode T 1 /T 2 MRI contrast agent has gained much attention, since it can give more precise and reliable diagnostic information by the enhanced contrast effects in both T 1 imaging with high tissue resolution and T 2 imaging with high feasibility on detection of a lesion [ 15 ]. (biomedcentral.com)
  • When combining the T 1 and T 2 CAs together, the strong magnetic coupling between them could perturb the relaxation effect of the paramagnetic T 1 contrast agent, resulting in undesirable quenching of magnetic resonance signal [ 10 ]. (biomedcentral.com)
  • Amphiphilic gadolinium (Gd)-diethylenetriamine pentaacetic acid chelates have been incorporated into the LDL to produce a novel LDLR-targeted magnetic resonance imaging (MRI) contrast agent. (elsevierpure.com)
  • The Emerging Field of Medicines Authentication by Nuclear Quadrupole Resonance Spectroscopy (Counterfeit Medicines Volume II: Detection, Identification and Analysis, ILM Publications, 2013). (lu.se)
  • mean, 35 years) underwent CMR imaging including a free-breathing, ECG-triggered 3D nonselective SSFP whole heart acquisition using compressed SENSE (nsWHcs). (techscience.com)
  • Fourteen patients with mild cognitive impairment underwent neuropsychological evaluation and brain magnetic resonance. (unimi.it)
  • Methods Fifty patients who underwent multiparametric magnetic resonance imaging including 3 DWIs were included. (ewha.ac.kr)
  • Based on imaging, she was diagnosed as UR-LA(sm), cT4N0M0, cStage â ¢ pancreatic cancer, and underwent 5 courses of modified FOLFIRINOX. (bvsalud.org)
  • STUDY DESIGN The study is a controlled longitudinal cohort study that includes cross-sectional sub-studies of imaging and biomarkers. (ichgcp.net)
  • Although this pattern is typically seen angiographically, it can also be noted on cross-sectional imaging. (medscape.com)
  • Because spinal hemangioblastomas are relatively rare and share some of the same imaging features with other intramedullary tumors, the diagnosis may be complicated. (medscape.com)
  • Objective -To prospectively establish risk factors for hamstring muscle strain injury using magnetic resonance imaging (MRI) to define the diagnosis of posterior thigh injury. (bmj.com)
  • Once a diagnosis of DCM is made, advanced imaging, especially CMR, is often used to answer other clinically focused questions. (acc.org)
  • Pre-procedure imaging studies were made to confirm the diagnosis of leiomyoma, determine the size and position, and to identify adenomyosis or other concurrent diseases. (czytelniamedyczna.pl)
  • The nanocomposites showed great potential for integrating imaging diagnosis and drug controlled release into one composition and providing real-time imaging with greatly enhanced diagnostic accuracy during targeted therapy. (biomedcentral.com)
  • Doctors base the diagnosis on a thorough history, close observation and examination, and the selective use of x-rays or magnetic resonance imaging (MRI). (msdmanuals.com)
  • Effect of the dopamine D3 receptor antagonist GSK598809 on brain responses to rewarding food images in overweight and obese binge eaters. (exeter.ac.uk)
  • Current work focuses on the selective contributions of different prefrontal cortical regions in promoting advantageous choices. (nih.gov)
  • Advances in imaging and microsurgery have markedly improved the treatment of these intraspinal lesions. (medscape.com)
  • Furthermore, the current challenges for building deep learning models for pathology image analysis will be discussed and new methodological advances to address these bottlenecks will be presented. (stanford.edu)
  • Recent Advances Reached by Combining Ultralow-Field Magnetic Resonance and Hyperpolarization Techniques. (mpg.de)
  • Deoxygenated hemoglobin (dHb) is more magnetic (paramagnetic) than oxygenated hemoglobin (Hb), which is virtually resistant to magnetism (diamagnetic). (wikipedia.org)
  • However, we know little about how much selective attention processes are conserved across sensory modalities, or how different areas of the brain are differentially engaged depending on the feature being attended. (frontiersin.org)
  • 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)
  • In another research project ( https://gepris.dfg.de/gepris/projekt/441305356 ), we further look into the the role of cognitive control processes for the selective retrieval of information from episodic memory. (ifado.de)
  • This protocol describes large-scale reconstructions of selective neuronal populations, labeled following retrograde infection with a modified rabies virus expressing fluorescent markers, and independent, unbiased cluster analyses that enable comprehensive characterization of morphological metrics among distinct neuronal subclasses. (jove.com)
  • An Overview of NQR Signal Detection Algorithms , Magnetic Resonance Detection of Explosives and Illicit Materials (NATO Science for Peace and Security Series B: Physics and Biophysics), 2014. (lu.se)
  • The results demonstrate that D(3) receptor manipulation does not modulate brain responses to food images in overweight and obese subjects. (exeter.ac.uk)
  • METHODS: Twenty healthy human subjects were scanned twice, once after placebo and once after sulpiride 400 mg, a selective DA D2 receptor antagonist, while performing a verbal working memory task requiring different levels of manipulation. (exeter.ac.uk)
  • Fluorescent imaging also showed that the nanocomposites specifically accumulated in lung cancer cells by a receptor-mediated process, and were nontoxic to normal cells. (biomedcentral.com)
  • Transverse magnetization is sampled at the fat null point using bSSFP readout and allows for single-shot myocardial edema imaging. (biomedcentral.com)
  • Several CMR techniques have been proposed to address these issues of STIR-TSE for myocardial edema imaging. (biomedcentral.com)
  • Objective The objective of this study was to compare the image quality and apparent diffusion coefficient (ADC) of diffusion-weighted imaging (DWI) with modified reduced field of view (FOV) based on 2-dimensional (2D)-selective radiofrequency excitations by tilting the excitation plane in prostate with reduced FOV using parallel-transmit-accelerated 2D-selective radiofrequency excitation and single-shot echo planar imaging (ssEPI). (ewha.ac.kr)
  • Anatomical and Functional MR Imaging in the Macaque Monkey Using a Vertical Large-bore 7 Tesla Setup. (mpg.de)
  • The Free and Cued Selective Reminding Test (FCSRT) is the most commonly used neuropsychological test to evaluate episodic memory. (unimi.it)
  • Is there a relationship between self-perceived symptoms, cognitive and visual test results, optical coherence tomography (OCT) examination, imaging results, and biomarkers in patients who have undergone mild COVID-19 infection and does this differ compared to non-symptomatic controls? (ichgcp.net)
  • 3 If that study was repeated today, it is quite likely that the idiopathic category would be significantly diminished given that current advanced imaging makes it possible to identify subsets of patients that were previously difficult to diagnose. (acc.org)
  • The study met its primary and secondary endpoints, showing oral fenebrutinib significantly reduced magnetic resonance imaging (MRI) markers of MS disease activity in the brain compared to placebo. (gene.com)
  • However, with modern spiral CT scanning and multisection or multidetector-row CT (MDCT) scanning, the quality of sagittal and coronal images that can be reconstructed from axial data has increased significantly. (medscape.com)
  • This is a type of specialized brain and body scan used to map neural activity in the brain or spinal cord of humans or other animals by imaging the change in blood flow (hemodynamic response) related to energy use by brain cells. (wikipedia.org)
  • The tumors are located mainly on the dorsal aspect of the spinal cord in the cervical and thoracic regions and appear as cystic lesions with mural nodules (see the images below). (medscape.com)
  • 27th Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2019), Montréal, QC, Canada, 11. (mpg.de)
  • Getzmann S, Schneider D, Wascher E: Selective spatial attention in lateralized multi-talker speech perception: EEG correlates and the role of age. (ifado.de)
  • We show that using only the stimulus images and the associated activity in an ROI, we are able to train from scratch a neural network that can predict the activity in each voxel of that ROI with an accuracy that beats state-of-the-art models. (biorxiv.org)
  • Neural markers of category-based selective working memory in aging. (ox.ac.uk)
  • Neural measures also showed reliable markers of selective attention during WM. (ox.ac.uk)
  • Diffusion tensor imaging of the corpus callosum differentiates corticobasal syndrome from Parkinson's disease. (mpg.de)
  • Magnetic resonance imaging (MRI) revealed no neurovascular compression but an elongated lesion hyperintense on T2-weighted imaging and T2- fluid-attenuated inversion recovery and hypointense and nonenhancing on T1-magnetization prepared rapid gradient-echo imaging without restricted diffusion, hemorrhage, or supposed malformation along the right pontine trigeminal pathway (PTP). (thejns.org)
  • The application of decision rules for the selective ordering of radiographs may result in a more efficient evaluation of patients with acute knee injuries and may reduce the use of radiography in these patients. (aafp.org)
  • MRI brain scans use a strong, permanent, static magnetic field to align nuclei in the brain region being studied. (wikipedia.org)
  • Another magnetic field, the gradient field, is then applied to spatially locate different nuclei. (wikipedia.org)
  • Quiescent interval slice-selective (QISS) MRA is a cardiac-gated technique described by Edelman et al for the evaluation of the lower extremities. (medscape.com)
  • 3 - 5 Consequently, radiographs are among the most commonly ordered imaging studies for traumatic injury to the knee joint. (aafp.org)
  • However, it is sensitive to coil sensitivity variation, and multiple acquisitions are commonly needed to improve image SNR. (biomedcentral.com)
  • T1-weighted and T2-weighted spin-echo MR images were made through the pelvis in sagittal, tranverse, coronal planes before the procedure, and 3 months after. (czytelniamedyczna.pl)
  • Neuroradiologists and neurosurgeons must be aware of both the typical and atypical imaging appearances of meningiomas, as there is some correlation with different histologic types of tumor. (medscape.com)
  • Extended PGA for Spotlight SAR Filtered Backprojection Imaging (IEEE Geoscience and Remote Sensing Letters, 2022). (lu.se)
  • In summary, we found that older adults were able to recruit a network of brain regions involved in top-down attention during selective WM, and individual differences in attentional control corresponded to the degree of attention-related modulation in the brain. (ox.ac.uk)
  • The role of the thalamus in mediating the effects of lysergic acid diethylamide (LSD) was recently proposed in a model of communication and corroborated by imaging studies. (researchgate.net)
  • Consistent with previous studies, processing of food images was associated with activation of a network of reward areas including the amygdala, striatum and insula. (exeter.ac.uk)
  • Studies so far are inconclusive about the ability to use selective attention during WM in aging. (ox.ac.uk)
  • Conclusions The modified reduced FOV DWI showed better overall image quality, differentiability of anatomic regions, and lesion conspicuity with fewer artifacts compared with DWI with reduced FOV and ssEPI. (ewha.ac.kr)
  • Development of three-dimensional spectrally selective phosphorous magnetic-resonance imaging for analysing metabolism in the human brain [Masterarbeit, Technische Universität Berlin]. (mpg.de)
  • The Golby Lab pursues translational research multi-modality image-guided neurosurgery with a particular interest in functional brain mapping. (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)
  • Directionally encoded color track density imaging in brain tumor patients: A potential application to neuro-oncology surgical planning. (dana-farber.org)
  • However, brain activation to food images was not modulated by GSK598809. (exeter.ac.uk)
  • Dr. Hassanpour received his Ph.D. in Electrical Engineering with a minor in Biomedical Informatics from Stanford University and completed his postdoctoral training at Stanford Center for Artificial Intelligence in Medicine & Imaging. (stanford.edu)
  • Magnetic Resonance in Medicine. (berkeley.edu)
  • Sagittal T1-weighted image demonstrates the dorsal location of the tumor, which enhances homogeneously. (medscape.com)
  • Tumor blush is quite evident on this selective injection. (medscape.com)
  • T1-weighted images show a homogeneously enhancing tumor with a rostral-caudal cyst. (medscape.com)
  • In both cases, en bloc tumor resection was successfully performed via a simultaneous exoscopic transcranial approach using a 3D-HMD and an endoscopic endonasal approach, eliminating the need to watch a large monitor beside the patient. (thejns.org)
  • The rational design of theranostic nanoprobe to present responsive effect of therapeutic potency and enhanced diagnostic imaging in tumor milieu plays a vital role for efficient personalized cancer therapy and other biomedical applications. (biomedcentral.com)
  • Flat tumors, termed en plaque, infiltrate the dura and grow as a thin carpet or sheet of tumor along the convexity dura, falx, or tentorium. (medscape.com)
  • Two observers independently performed qualitative image analyses using 5-point scale. (ewha.ac.kr)
  • Image quality of nsWHcs was rated as excellent/good in 98% of patients. (techscience.com)
  • The proposed nsWHcs imaging approach provided a consistently high image quality and a homogeneous signal intensity distribution within the pulmonary and systemic circulation in pediatric patients and adults with a wide spectrum of congenital heart diseases. (techscience.com)
  • The technique is useful for single-shot edema imaging in AMI patients. (biomedcentral.com)
  • Les concentrations sériques de sCD40L circulant et d'interleukine 10 circulante ont été analysées à l'aide de la méthode immuno-enzymatique chez 30 patients positifs pour le VHC avec un CHC, chez 30 patients patients positifs pour le VHC avec une cirrhose du foie, et chez 30 volontaires d'âge correspondant en bonne santé avec des anticorps anti-VHC négatifs servant de groupe témoin. (who.int)
  • This paper uses a hypothesis-neutral computational approach to study four high-level visual regions of interest (ROIs) selective to faces, places, letters, or body parts. (biorxiv.org)
  • The bright and dark regions in the image are liquid condensed and liquid expanded domains respectively. (lu.se)
  • A T2-weighted MR sequence is an effective method for the assessment of the morphology of uterine leiomyoma, the T1-weighted sequence being used in imaging of submucosal - expelling fibroids. (czytelniamedyczna.pl)
  • T2-weighted images more clearly demonstrate the extent of the associated edema and cyst formation (see the following image). (medscape.com)
  • T2-weighted image demonstrates the extensive edema typically associated with hemangioblastomas of the spine. (medscape.com)
  • T2-weighted MR images were used in evaluation of volume reduction and the detailed morphology of the fibroids. (czytelniamedyczna.pl)