Articles tagged with Magnetic Resonance Imaging
Researchers from the German Primate Center replicate historical findings by Renate Schweizer on brain convolutions, confirming a connection between deep-lying winding and 'bridge.' The study analyzed structural MRI scans of healthy adults, finding a higher prevalence of 'bridge' in twins.
A new study suggests that functional brain imaging can help guide accelerated transcranial magnetic stimulation (TMS) for depression, leading to improved symptoms and response rates. The approach uses resting-state functional connectivity analysis to identify individualized treatment targets.
Researchers have found that cats show comparable patterns of brain deterioration as they age, similar to humans. This study, part of the Translating Time project, aims to unlock new insights into human ageing and disease by comparing cat and human brain development.
FireANTs, an open-source algorithm, combines AI optimization and geometry to quickly match complex medical images. The new method can accomplish what took weeks in minutes, detecting subtle changes that signal disease or cognitive decline, making it practical for clinical practice.
A new University of Arizona study has found that several common sleep behaviors may be linked to signs of brain aging. Sleeping outside the recommended seven-to-nine-hour range, frequent daytime napping, and sleeplessness were distinctly associated with greater volume of white matter lesions in healthy people.
A POSTECH research team developed a haptic device that can operate inside MRI scanners, enabling the measurement of brain activity during VR experiences. The study found that adding tactile feedback increased brain activation in areas responsible for motor control, attention, and cognitive processing.
A new study demonstrates that acupuncture can significantly improve muscle function recovery in patients who experienced a stroke. The true-acupoint group showed significant improvements in motor recovery tests, with positive correlations between increases in gray matter volume and limb motor function recovery.
A new approach combines MRI scans and AI tools to measure fluid flow in the brain, shedding light on the glymphatic system’s mechanics. The study reveals two main ways the system washes away particles, with one way moving faster than the other.
A new simulation- and AI-based approach reduces the time and data needed for brain MRI scans, achieving a high level of accuracy with only 10% of the data required. This breakthrough could translate to a significant reduction in scan time, enabling more patients to be treated in the same amount of time.
Researchers developed an AI system called CMR-CLIP that can interpret complex heart scans without manual labels, outperforming existing models by up to 35%. The system learned from over a million images and hundreds of thousands of motion sequences collected from Cleveland Clinic.
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.
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.
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.
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.
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...
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.
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.
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...
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 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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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...
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.
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 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 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 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.