Articles tagged with Magnetic Resonance Imaging
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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.
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.
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.
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.
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.
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.
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...
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.
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.
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.
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.
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.
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...
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.
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...
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.
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...
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.
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.
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...
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.
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...
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.
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.
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.
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.
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.
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.
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...
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.
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.
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.
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.
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.
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.
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.
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.
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.
Researchers apply quantum mechanics to denoise medical images by separating localized signal from diffused noise. The method leverages physics-driven principles to automatically separate components of pixels in an image.
Researchers developed an alginate-based microrobot that can be tracked using Magnetic Particle Imaging (MPI) and performs real-time localization, selective thermal therapy, and cell delivery. The robot is powered by a single magnetic actuation system independent of conventional medical imaging devices.
A new study suggests that subtly adjusting the angle of the foot during walking can reduce knee pain caused by osteoarthritis and slow its progression. By tailoring each patient's foot angle to their unique walking pattern, experts believe an easy and fairly inexpensive way to address early-stage osteoarthritis may be found.
Researchers found that the primary somatosensory cortex, responsible for processing sensory information, has a layered structure that ages differently. The middle and upper layers remain stable or even thicken with age, while the lower layers show age-related degeneration, providing evidence for neuroplasticity.
Researchers from the National Institute of Physiological Sciences evaluated the impact of denoising algorithms on dMRI data for detecting tissue abnormalities in glaucoma. They found that denoising increased signal-to-noise ratio and altered image appearance, but had limited effect on disease-related changes.
Silvia Blemker, a renowned biomedical engineer, has been elected to lead the American Society of Biomechanics. She aims to bolster industry ties, expand funding for students and early-career researchers, and promote interdisciplinary collaboration.
Researchers aim to uncover how menopause and lifestyle factors shape brain aging in women during midlife. The three-year project will analyze MRI scans and health data from thousands of women worldwide to track changes in brain structure and connectivity.
Researchers found that external cues alleviated pain for all participants but only half reported less pain with placebo treatment. Predictive cues were less impactful when patients received placebo treatment. The study suggests cue-based expectations have more consistent effects than treatment-based expectations.
Researchers used AI model ChatGPT-4 to extract clinical variables from MRI and CT scans of nearly 1,000 adults with pancreatic cysts. The accuracy rate ranged from 97% for solid components to 99% for calcific lesions, comparable to human performance.
A new computational method combines 4D flow MRI, CFD, and data assimilation to estimate blood flow in brain aneurysms with greater accuracy and efficiency. The approach focuses on the aneurysm region, reducing computational cost while improving flow estimation.
Researchers at the University of Illinois Urbana-Champaign have developed a new non-invasive MRI approach that visualizes brain metabolism and detects metabolic alterations associated with brain diseases. The technique uses magnetic resonance spectroscopic imaging to provide insights into brain function and disease processes.
A cardiac magnetic resonance imaging (MRI) scan usually takes anywhere from 30 to 90 minutes. The AI-assisted model developed by Mizzou researchers can turn low-quality MRI heart scans into high-quality images in less time, while improving patient experience and reducing costs.
Researchers developed a simpler way to identify patients with suspected cardiac sarcoidosis at increased risk of sudden cardiac death. CMR phenotyping can help determine which patients would benefit from an implantable cardioverter-defibrillator for primary prevention, improving decision-making in clinical practice.
The study reveals that white matter microstructure in infants' brains between 3-9 months predicts their emotional development. Infants with certain brain patterns are more likely to exhibit negative emotions or improved self-soothing abilities.
Researchers use MRI and NASA-inspired negative-pressure pants to improve stress tests, revealing hidden heart issues. The technology transforms heart imaging, making it possible to detect real differences in heart performance.
Emerging imaging technologies like Tomosynthesis, Contrast-Enhanced Spectral Mammography, and Molecular Breast Imaging improve detection of high-risk populations and dense breast tissue. AI Integration, Noninvasive Biomarkers, and Hybrid Techniques hold promise for reducing radiation risks and overdiagnosis.
Weizmann Institute researchers developed a nano-MRI device with a resolution of one nanometer, allowing for the imaging of individual molecules. This technology paves the way for high-resolution molecular imaging in materials and pharmaceutical industries.
A new framework for assessing traumatic brain injuries (TBI) will provide more accurate diagnoses and treatments, leading to better patient outcomes. The framework incorporates clinical symptoms, biomarkers, imaging scans, and modifiers to determine the severity of injury and predict recovery.
A new USC-led study found a significant link between type 2 diabetes and cortical thickness in older adults from various populations. The researchers discovered that individuals with T2DM exhibited thinner cortex, particularly in temporal and parietal regions critical for memory and cognitive function.
Researchers found that MRI scans can detect heart inflammation, scarring, and impaired function in carriers of a mutated LMNA gene. This information can help clinicians predict which patients are at higher risk and inform decisions about treatments such as defibrillators or transplants.
A new brain atlas developed by researchers at Duke University will increase precision in measuring changes in brain structure, making it easier to share results. The tool, the Duke Mouse Brain Atlas, provides a detailed map of the entire mouse brain, from large structures down to individual cells and circuits.
A new AI model developed by Uppsala University accurately diagnoses multiple sclerosis (MS) with an overall accuracy of 90%, identifying the transition from relapsing-remitting to secondary progressive MS in almost 87% of cases. This enables earlier diagnosis, reducing the risk of patients receiving ineffective medicines.