Sentences with phrase «imaging studies as»

«For a long time, we've thought of brain imaging studies as mainly a way to corroborate or confirm aspects of brain function and pathology that we had already identified from studying a patient's behavior,» said Aysenil Belger, PhD, professor of psychiatry and psychology at UNC and the study's senior author.

Not exact matches

There are neurological correlates for every form of mental activity and, as Biovin himself acknowledges, just because imaging studies show that religious experiences are correlated with activity in a particular part of the brain, it does not follow that that activity is the cause of religious experience.

Although scientists have long suspected that RHI caused brain damage, especially in boxers, a 2010 study of high school football players by researchers at Purdue University [1,13] was the first to identify a completely unexpected and previously unknown category of players who, though they displayed no clinically - observable signs of concussion, were found to have measurable impairment of neurocognitive function (primarily visual working memory) on computerized neurocognitive tests, as well as altered activation in neurophysiologic function on sophisticated brain imaging tests (fMRI).

Depending on the results of the imaging studies, our team may recommend a surgical approach as the best course of action.

Key brain regions have been identified by imaging studies, as have key neurochemical pathways bringing about the possibility of using drugs to block the nocebo effect.

They reviewed CT scans to assess how much abdominal fat had accumulated, its location and it's density in 1,106 participants from the Framingham Heart Study who received this imaging as part of a larger study to measure coronary and abdominal aortic calcificaStudy who received this imaging as part of a larger study to measure coronary and abdominal aortic calcificastudy to measure coronary and abdominal aortic calcification.

Professor Jianfeng Feng commented that new technology has made it possible to conduct this trail - blazing study: «human intelligence is a widely and hotly debated topic and only recently have advanced brain imaging techniques, such as those used in our current study, given us the opportunity to gain sufficient insights to resolve this and inform developments in artificial intelligence, as well as help establish the basis for understanding and diagnosis of debilitating human mental disorders such as schizophrenia and depression.»

This clinical study, published in the Proceedings of the National Academy of Sciences, tested the possibility of imaging inflammation in the pancreas of human volunteers using ferumoxytol, a coated iron nanoparticle approved by the FDA as an iron replacement therapy, and MRI.

As the program booted up, I noticed that the video was a cardiac MRI (magnetic resonance imaging) study.

A recent study by investigators from LIJ Medical Center demonstrated that using magnetic resonance imaging (MRI) in men with an elevated prostate specific antigen (PSA) resulted in a prostate cancer detection rate that was twice as high as data reported in the March 1999 Prostate journal that analyzed men undergoing the standard 12 - core biopsy with an elevated PSA.

«Our study reveals for the first time using brain imaging that engaging in exciting or what we call «self - expanding» activities, such as puzzle - solving, games, or hobbies with one's partner, appears to reduce craving for nicotine,» said Dr. Aron.

Imaging studies that combine scans from many people, such as this diffusion image from the Human Connectome Project, don't identify brain variations in individuals.

His study, conducted with U-M cardiologist Brahmajee Nallamothu, M.D., M.P.H. and team at the U-M Institute for Healthcare Policy and Innovation, looked at the type of stress test known as SPECT myocardial perfusion imaging, which can use Tc - 99m or, less precisely, thallium - 201.

Imaging study shows brain changes linked to trauma, such as the floods and fire in Sendai, Japan, after the 2011 earthquake.

The members of the initiative hope to improve early detection of cancer by making an impact in a variety of areas, including doing epidemiologic studies on risk factors, developing new and improved methods of diagnostic imaging, discovering and verifying new biomarkers as indicators of cancer, and developing new technologies to aid early detection.

Researchers are also studying other imaging technologies for breast cancer treatment monitoring, such as MRI, X-ray imaging, and ultrasound, but Hielscher notes that these have not yet shown as much promise as this new technology.

Sinha and her colleagues used functional magnetic resonance imaging to study brain activity in people exposed to stimuli ranging from highly stressful — images of mutilated bodies or someone pointing a gun — to neutral, such as a chair, table or lamp.

Imaging studies by Nora Volkow, head of the medical department at Brookhaven National Laboratory in Upton, New York, revealed that the brains of cocaine addicts release half as much dopamine as substance - free subjects.

The study, which analyzed an estimated 144 million patient visits, found a persistent overuse of low - value, high - cost services such as advanced imaging, as well as prescriptions of opioids and barbiturates.

Different types of cognitive tasks spur activity in various regions of the brain, as indicated by studies using functional magnetic resonance imaging (fMRI).

Although brain - imaging studies of human participants watching funny cartoons or listening to jokes reveal the activation of evolutionarily ancient structures such as the amygdala and nucleus accumbens, more recently evolved, «higher - order» structures are also activated, including distributed regions of the frontal cortex.

«The imaging technique could shed light on the immune dysfunction that underpins a broad range of neuroinflammatory diseases, such as Alzheimer's disease, depression, post-traumatic stress disorder and addiction,» said Christine Sandiego, PhD, lead author of the study and a researcher from the department of psychiatry at the Yale School of Medicine in New Haven, Conn. «This is the first human study that accurately measures this immune response in the brain.

«Studying the formation and evolution of jets in metals and, more generally, how materials at extreme conditions respond using X-ray phase contrast imaging is relevant to such things as meteorite impacts, the performance of explosives and detonators, understanding crack nucleation and propagation in materials, and the development of new materials with tailored properties whose applications include automotive and airplane components, lighter and more impact - resistant armor, and debris shields in space, to name a few.»

In brain imaging studies, the OPFC is highly active when people deliberate between actions with uncertain risks and rewards, and clinical reports describe patients, such as Gage, whose inability to consider long - term consequences can lead to tragic outcomes.

In addition to imaging heavy - ion tracks, Vazquez has studied the effect of chronic cosmic - ray exposure on the brains of rats, as measured by their ability to move around in a box.

For this clinical pilot study, researchers imaged subjects undergoing routine molecular imaging procedures such as bone scans or imaging of the thyroid, eye or lymphatic system.

Even as brain imaging has become a common tool for looking at the innermost workings of the mind, its use to study postpartum depression has been sparse.

The study, which was led by postdoc Gregor Pilz and PhD student Sara Bottes, used in vivo 2 - photon imaging and genetic labeling of neural stem cells in order to observe stem cell divisions as they happened, and to follow the maturation of new nerve cells for up to two months.

Her team is conducting brain - imaging studies to try to tease out the roots of that soundtrack as well as how a typical brain combines visual and auditory signals to improve perception.

A group from the NIH's National Institute of Allergy and Infectious Diseases (NIAID) evaluated the live imaging system as a potential alternative to traditional methods of assessing investigative influenza vaccines and treatment in mice, which can be time consuming and require more study animals for valid statistical comparison.

Noninvasive imaging using PET and other technologies reduces the number of animals in a study by permitting the use of animals as their own controls, according to the authors.

DEFUSE 3 builds on results from the two earlier DEFUSE studies as well as the industry - sponsored DAWN trial, which used perfusion imaging technology to identify patients most likely to benefit from interventions such as thrombectomy.

An analysis of diagnostic test results from the Prospective Multicenter Imaging Study for Evaluation of Chest Pain (PROMISE) trial — in which patients with stable chest pain were randomized to either anatomic or functional testing as an initial diagnostic strategy — showed that the presence and extent of coronary artery disease detected by CT angiography better predicted the risk for future cardiac events than did measures of exercise tolerance or restricted blood flow to the heart muscle.

The incidence of kidney cancer in the United States has been increasing for two decades, with the trend partly attributed to the introduction of abdominal imaging studies such as CT scans or MRIs in the 1980's.

We demonstrate that the electron beam, simultaneously acting as an imaging probe and a source of energy to drive chemical transformations, offers a new tool for studying the chemical reactions of individual molecules with atomic resolution, which is vital for the discovery of new reaction mechanisms and more efficient future synthesis.»

In their current study, described online today in Science, Discher and his colleagues copied short snippets of the CD47 protein, known as peptides, and attached them to nanoparticles designed to ferry either imaging agents or anticancer compounds to tumors.

The new study — published October 18, 2016 in the journal Molecular Psychiatry — combined genetic analysis of more than 9,000 human psychiatric patients with brain imaging, electrophysiology, and pharmacological experiments in mutant mice to suggest that mutations in the gene DIXDC1 may act as a general risk factor for psychiatric disease by interfering with the way the brain regulates connections between neurons.

«Hybrid 3D printing integrates the best aspects of two or more imaging modalities, which can potentially enhance diagnosis, as well as interventional and surgical planning,» said Jordan Gosnell, Helen DeVos Children's Hospital cardiac sonographer, and lead author of the study.

Imaging flow cytometry (IFC) has emerged as a useful and efficient tool for studying the signaling pathways in immunophenotypically defined subpopulations of immune cells.

Now, a new imaging study of 10 people with mild AD suggests that tau deposits — not amyloid — are closely linked to symptoms such as memory loss and dementia.

Beauchamp and Nath followed up on that study with a new one in which they scanned people's brains with functional magnetic resonance imaging (fMRI) as they played McGurk videos of mismatched sounds and lip movements.

This study shows how these issues have been overcome with a newly developed imaging system, making it possible to image structures as small as 80nm or less anywhere in the cell.

«This multi-agent detection capability has the potential to transform molecular imaging, as it provides a critical translational pathway for studies in patients,» said Flask.

Exploratorium, San Francisco Study live specimens, like mouse stem cells as they progress toward becoming beating heart cells, at the high - resolution Microscope Imaging Station.

Paulsen's study investigated whether the addition of molecular imaging (NIRST) at the time of MRI would improve the diagnostic accuracy of breast MRI alone by contributing functional information about regions of suspicion in the breast identified by the MRI and helping to categorize the regions as malignant or benign.

C.elegans has been used for decades as a model animal to study the genetic and molecular underpinnings of neurological disorders through a number of techniques including bio imaging, electrophysiology and behavior.

The group combines several cutting - edge single molecule imaging techniques to study how protein organization, dynamics and stoichiometry relate to protein function in several fundamental biological processes, such as intracellular transport, autoimmune neurological disorders or stem cell reprogramming.

«When we first learned that a patient had regained voluntary control as a result of spinal stimulation, we were cautiously optimistic,» said Roderic Pettigrew, Ph.D., M.D., director of the National Institute of Biomedical Imaging and Bioengineering (NIBIB) at NIH, which provided support for the study.

Still, Sheehan said neuroscience already is one of the leaders in data sharing and management, with such resources as the NIH - funded National Database for Autism Research; an NIH - Defense Department sponsored data base on traumatic brain injury; the NIH - funded Neuroimaging Informatics Tools and Resources Clearinghouse (NITRC), which helps researchers to develop, share and collaborate on software tools for doing functional and structural imaging studies of the brain; and the Neuroscience Information Framework, an NIH initiative that makes neuroscience resources - data, materials, and tools - accessible via any computer connected to the Internet.

Invaluable as markers for monitoring photosynthesis and other energy - related processes in living cells, green fluorescent proteins (GFPs), discovered in a species of jellyfish, are vital in extremely high - resolution imaging studies.