Magnetic Resonance Imaging
Articles tagged with Magnetic Resonance Imaging
AI-assisted MRI workflow enables real-time spine positioning and analysis in multicenter study
Ultrasound has potential to alter how the brain responds to pain
Genetic risk of schizophrenia manifests in early adolescence, study shows
Children with high genetic susceptibility to schizophrenia show decreases in frontal cortical surface area during early adolescence, contrasting with regional expansion in those with low genetic susceptibility. This suggests neurodevelopmental deviations prior to symptom onset.
Antibody spurs nerve fiber regrowth following spinal cord injury
A novel antibody, NG101, accelerates the regeneration of damaged spinal cord tissue by neutralizing a protein that blocks nerve fiber growth. This therapy enables new nerve fibers to form functional connections, allowing patients to become more independent and potentially recover arm and hand function.
Urine test better than MRI for monitoring low-risk prostate cancer in new study
Visualizing cerebrospinal fluid microdynamic changes following mild traumatic brain injury
Doctors urge caution regarding elective MRI in new editorial
Elective MRI screenings may lead to false positives, unnecessary surgery, and emotional harm. Experts argue that detecting certain cancers early is not always beneficial, and the scans can exacerbate anxiety rather than improve quality of life.
New MRI technology provides a comprehensive view of the human brain
Researchers developed multiplexed MRI technology, enabling simultaneous imaging of signals from multiple molecules in the brain. The technology provides a comprehensive view of the brain's structure, physiology, and molecular processes, allowing for more precise diagnosis and individualized treatment planning.
AI model analyses body composition to predict health risks
A study published in Radiology used AI to analyze whole-body MRI scans from over 66,000 participants, revealing that skeletal muscle quality is a strong predictor of diabetes, major cardiovascular events, and mortality. The researchers also found that high visceral fat and low skeletal muscle were associated with increased risks of the...
Sustained reduction in abdominal fat preserves cognitive function
A long-term MRI study finds that lower accumulation of visceral fat is associated with preservation of key brain structures, better cognitive performance, and slower brain atrophy. The study suggests that glucose control and insulin sensitivity mediate the relationship between abdominal fat and brain aging.
New MRI technique enables long-term tracking of transplanted stem cell-derived heart cells
Researchers have developed a new MRI technique that can track transplanted stem-cell-derived heart cells over long periods. This method allows scientists to visualize where transplanted cells survive, helping to improve therapies for patients with heart damage.
UT Health San Antonio researchers report breakthrough findings significantly reducing symptoms for combat PTSD victims
Researchers at UT Health San Antonio have made a significant breakthrough in treating combat post-traumatic stress disorder (PTSD) by adding navigated TMS to psychotherapy, showing an 85% reduction in symptoms. The study used a patented MRI-guided, robotic-controlled form of transcranial magnetic stimulation (TMS), known as navigated T...
Novel AI-enhanced MRI boosts success rate in patients with arrhythmia
The study found that AI-enhanced single-shot cine MRI produces better image quality compared to conventional cine MRI, particularly in participants with arrhythmia. The technique demonstrated a 100% success rate for image acquisition, outperforming conventional cine sequences.
Research presented at international urology conference in London shows how far prostate cancer screening has come
Research presented at EAU26 confirms that prostate cancer screening leads to a reduction in mortality, but also detects cancers that would otherwise remain undetected. The study's findings suggest that using MRI in prostate cancer screening can reduce overdiagnosis and unnecessary biopsies.
Landmark in real-time metabolic monitoring on chip: BLOC benchtop NMR comes to light
Researchers at IBEC have developed a compact, cost-effective NMR platform capable of direct observation of dynamic metabolic fluxes in microfluidic systems. This technology leverages hyperpolarization to bridge the gap between high-field NMR performance and lab-on-chip analysis.
How expectations about artificial sweeteners may affect their taste
Researchers found that people's expectations about sugar content alter their enjoyment of beverages containing artificial sweeteners. By manipulating participants' expectations, the study shows how the brain's reward system responds to sweet flavors, with increased activation in the dopaminergic midbrain.
Skills from being a birder may change—and benefit—your brain
Research shows that expert birders have more compact attention- and perception-related brain areas, linked to accurate bird identification. These structural changes persist in older birders and may benefit cognition as people age.
University of Houston professor warns of nerve stimulation during MRI
Researchers found that implanted cuff electrodes can trigger unintended nerve stimulation during MRI, causing discomfort or pain. The study recommends more refined guidelines and careful safety considerations to mitigate this risk.
Incidental rotator cuff abnormalities on magnetic resonance imaging
A population-based study reveals that rotator cuff abnormalities are common after age 40 and often represent normal age-related changes. The findings challenge the clinical value of routine imaging for atraumatic shoulder pain, questioning the need for regular scans in this demographic.
3D MIR technique guides precision treatment of kids’ heart conditions
Researchers developed a new MRI technique that simultaneously displays heart tissue and blood flow, enabling precise planning for surgical repairs. This innovation provides high-quality flow images without radiation, making it essential for repeated imaging in children.
Opening a new window on the brainstem, AI algorithm enables tracking of its vital white matter pathways
A new software tool developed by MIT researchers can reliably and finely resolve eight distinct nerve bundles in live diffusion MRI scans, shedding light on neurodegenerative diseases like Parkinson's and Alzheimer's. The BrainStem Bundle Tool (BSBT) reveals distinct patterns of structural changes in patients with these conditions.
“I see a rubber duck” – neuroscientists use AI to discover babies categorize objects in the brain at just two months old
Researchers used AI to analyze brain activity of 130 two-month-old infants, discovering that they can categorize objects in their brains at just two months old. This challenges earlier thought and highlights the richness of brain function in the first year of life.
Insights from brain’s waste-flushing system may improve diagnosis of idiopathic intracranial hypertension
Researchers used MRI analysis to measure glymphatic system activity, finding changes related to IIH stage and pressure levels. The findings suggest a noninvasive test could diagnose IIH more reliably, improving treatment options for patients with symptoms including headaches and vision loss.
Turning MRI into a quantitative microscope to detect white matter injury
A recent study from the University of Eastern Finland and New York University establishes a direct link between axonal microgeometry and diffusion MRI signals. The discovery enables the detection, monitoring, and assessment of treatment response using dMRI in patients with various neurological disorders.
Exploring why adapting to the environment is more difficult as people age
Research reveals structural brain changes in older adults affect ability to shift between tasks and update environmental information. These changes may lead to deficits in behavioral adaptability, emphasizing the importance of identifying age-related brain structure changes.
Too much screen time too soon? A*STAR study links infant screen exposure to brain changes and teen anxiety
Children exposed to high levels of screen time before age two showed changes in brain development linked to slower decision-making and increased anxiety by their teenage years. Parent-child reading may offer protection against these effects.
World-leading scientists to join forces to create the first ever 3D black hole movies
Researchers will use revolutionary technology to transform understanding of extreme environments, revealing how black holes behave and evolve. The project aims to deliver dynamic gravitational tomography, creating 3D movies showing plasma flows around black holes.
MD Anderson shares latest research breakthroughs
Proton therapy has been shown to provide a significant survival benefit for patients with head and neck cancers. In another study, researchers have identified a promising target for treating pancreatic cancer by inhibiting the mitochondrial enzyme GFER. Additionally, diagnostic breast MRI may be unnecessary for some patients with early...
AI brain scan model identifies stroke, brain tumors and aneurysms – helping radiologists triage and speed up diagnoses
A new AI model can accurately identify brain abnormalities in MRI scans for various conditions, including stroke, multiple sclerosis, and brain tumors. The model can also triage scans, increase reporting speeds, and support clinical decision-making by suggesting findings to radiologists.
Fullerenes for finer detailed MRI scans
Scientists have successfully used fullerenes as polarizing agents to improve MRI imaging capabilities, enabling clearer images with greater sensitivity. This breakthrough technique could lead to enhanced diagnostic capabilities and faster detection of diseases, potentially revolutionizing medical imaging.
Study finds gender gap in knee injuries
The study found significant differences in injury patterns between men and women, with men experiencing more ACL tears and women more frequent meniscal and MCL tears. These findings can help radiologists tailor imaging protocols and risk assessments to optimize patient outcomes.
Pro fighters risk damage to the brain’s ‘garbage disposal’
Repeated head impacts in professional boxers and mixed martial artists can lead to cognitive decline and neurodegenerative disorders. The glymphatic system, responsible for clearing waste from the brain, is compromised in fighters with higher numbers of knockouts.
Some children’s tantrums can be seen in the brain, new study finds
Researchers at UCSF found distinctive brain patterns in children with sensory processing disorder, which could help clinicians refine treatments for tantrums and emotional volatility. The study suggests that over-responsive children's brains dial up inward-focused networks to gain self-control.
State-of-the-art multimodal imaging and therapeutic strategies in radiation-induced brain injury
Recent advances in multimodal imaging, including MRI, diffusion imaging, perfusion imaging, MRS, and PET/CT, have improved early detection and differential diagnosis of radiation-induced brain injury (RIBI). Emerging therapeutic strategies target underlying pathological mechanisms, such as neuroinflammation, oxidative stress, and vascu...
Brain mechanisms in acute and chronic depression vary, according to new research
A new study found that individuals with a history of major depression showed higher MRI markers associated with neuroinflammation in the VTA, suggesting increased extracellular inflammatory processes. Current depressive symptom severity was associated with distinct microstructural changes indicating different underlying pathophysiologi...
Clogged ‘drains’ in the brain a likely early-warning sign of Alzheimer’s disease, find NTU Singapore scientists
A study by NTU Singapore researchers found that enlarged perivascular spaces, or 'clogged drains', in the brain are a likely early-warning sign of Alzheimer's disease. The condition can be visually identified on routine MRI scans, complementing existing methods to detect Alzheimer's earlier.
New study reveals how brain fluid flow predicts survival in glioblastoma
A new study found that disrupted brain fluid circulation, even in regions far from the tumor, can forecast poorer survival rates in glioblastoma patients. The researchers used MRI scans to measure fluid movement and accumulation, revealing a link between impaired glymphatic function and shorter survival.
Carnegie Mellon researchers bring sickle cell disease pain into focus
A new study by Carnegie Mellon University's Wood Neuro Research Group uses advanced brain imaging and a digital visualization tool to better understand how pain is processed in the brain for people with sickle cell disease. The team found that patients had reduced connectivity across key brain networks linked to pain perception, partic...
Breakthrough MRI contrast agent design continues path to safer, more effective diagnostics
Scientists at the University of Birmingham have developed a new class of MRI contrast agents that are significantly more efficient and stable than current clinical agents. The novel metallo-coiled coil approach demonstrates a 30% increase in MRI relativity and unprecedented enhancement in chemical and biological stability.
New material designed at OSU represents breakthrough in medical imaging
Researchers at OSU have designed a novel manganese-based MOF, BVR-19, which is less toxic to patients and more environmentally friendly than current contrast agents. The new material has shown promising results in medical imaging, with higher r1 relaxivity and biocompatibility.
Built to heal, born to vanish: the promise of iron-manganese alloys in bone healing
Researchers have identified iron-manganese alloys as promising candidates for temporary bone fixation. These alloys combine strength, biocompatibility, and degradation properties, allowing them to support bone healing while degrading naturally. However, challenges remain, including controlling the release of manganese, which can pose t...
Mapping the links between brain development and mental health
Researchers have developed a new large-scale brain data resource that integrates data from five studies of brain development in children and young adults across three continents. The Reproducible Brain Charts (RBC) project provides a harmonized dataset for tracking changes in brain structure and function, allowing researchers to better...
USC researchers use AI to uncover genetic blueprint of the brain’s largest communication bridge
The study identified dozens of genetic regions that influence the size and thickness of the corpus callosum and its subregions. The research team created an AI-powered tool that finds and measures the corpus callosum in brain MRI scans automatically, allowing for unprecedented analysis of brain structure at scale and precision.
New method noninvasively measures Achilles tendon structure and function in professional dancers
A new noninvasive method uses multi-echo ultrashort echo time MRI and shear wave elastography ultrasound to assess the structure and function of the Achilles tendon in professional ballet dancers. The study found that dancers tend to have more tendon stiffness, which corresponds with prior observations of a training effect.
Deep sleep supports memory via brain fluid and neural rhythms
Researchers have discovered that deep sleep plays a crucial role in controlling cerebrospinal fluid dynamics, which is essential for clearing waste from the brain. During slow-wave sleep, changes in cerebrospinal fluid signals are time-locked to slow brain waves and other neural events.
Heart rate changes predict depression treatment success with magnetic brain stimulation
Researchers have identified a rapid physiological marker that predicts which patients with major depression will respond to magnetic brain stimulation therapy. Patients whose heart rates slowed within 45 seconds of starting treatment showed significantly greater improvement in depressive symptoms six weeks later.
Breakthrough imaging technology to debut at UT Health San Antonio Center for Brain Health
The UT Health San Antonio Center for Brain Health will unveil a 7-Tesla Terra.X MRI system, providing ultra-high-resolution brain images for diagnosing and studying conditions like dementia and Parkinson's. The technology expands what is possible in research and discovery.
First 3D genetic mapping of the heart uncovers genes implicated in sudden death
A new study has uncovered 42 genetic locations associated with hypertrophy of the left ventricle, a major risk factor for sudden death. The research, conducted using three-dimensional MRI images and genome-wide analysis, could lead to earlier identification of individuals at greater risk.
AI body composition measurements can predict cardiometabolic risk
A new study found that AI tool accurately captures details in just three minutes from a body scan, highlighting the potential of using AI to repurpose data from routine scans. Visceral adipose tissue volume and fat deposits in muscle are strongly associated with diabetes and cardiovascular disease risk.
USC researchers develop new brain imaging method to reveal hidden vascular changes with aging
Researchers at USC have developed a groundbreaking brain imaging technique that reveals how tiny blood vessels in the brain pulse with each heartbeat, which may hold clues to aging and diseases like Alzheimer's. The method shows that microvascular pulsatility increases with age, especially in deep white matter, a region critical for co...
Visualization of blood flow sharpens artificial heart
Researchers at Linköping University used magnetic cameras to examine blood flow in an artificial heart in real-time, revealing a pulsing pattern similar to that of a healthy heart. The study aims to design the heart to minimize complications such as blood clots and red blood cells breakdown.
How the brain responds to bullying
Researchers found that bullying activates social and emotional brain networks, as well as autonomic threat response systems, leading to increased risk of mental and somatic health issues. Viewers with previous bullying experiences show stronger neural responses to bullied individuals, highlighting the long-term effects of bullying.
FAU/Baptist Health AI spine model could transform lower back pain treatment
Researchers developed a fully automated finite element analysis pipeline to transform spine diagnostics and personalized treatment planning. The new approach enables rapid, patient-specific simulations that support preoperative planning, spinal implant optimization, and early detection of degenerative spine conditions.
Biparametric vs multiparametric MRI for prostate cancer diagnosis
A new study published in JAMA finds biparametric magnetic resonance imaging (MRI) to be more efficient than multiparametric MRI for prostate cancer diagnosis. By adopting biparametric MRI, the global healthcare system could see a substantial increase in scanner throughput and cost reduction.
New brain imaging findings help predicit cognitive decline Alzheimer’s years before syptoms appear
Researchers used quantitative susceptibility mapping MRI to detect changes in brain tissue linked to iron levels, predicting mild cognitive impairment and later Alzheimer's disease. The study showed that higher iron levels in specific brain areas could spot early changes years before symptoms appeared.
Novel accurate approach improves understanding of brain structure in children with ADHD
Researchers developed a new method to correct for variations in brain imaging measurements, reducing bias and increasing the accuracy of studies on ADHD. The traveling-subject method demonstrated reduced measurement bias while maintaining sampling bias, revealing decreased brain volume in critical regions for cognitive functions.
AI effective at detecting advanced breast cancer, but misses some cases
A recent study published in Radiology found that AI-assisted mammography catches most advanced breast cancers, but still misses 14% of invasive cases. The AI missed more cases in younger women with tumors 2 cm or smaller, and those with low histologic grade, fewer lymph node metastases, and non-glandular locations.
Improving prediction of worsening knee osteoarthritis with an AI-assisted model
A new AI-assisted model combines MRI, biochemical, and clinical information to predict worsening knee osteoarthritis with high accuracy. The model showed improved accuracy in predicting worsening pain and joint space narrowing, suggesting its potential to enhance care.
A progressive evolution in virtual MRI imaging for tumor detection
The researchers developed a novel approach to virtual contrast enhancement in MRI imaging, using pixelwise gradient methods with Generative Adversarial Networks. The model excelled in capturing intricate details and textures, outperforming its predecessor in texture representation.