Articles tagged with Central Nervous System
A new study reveals that astrocytes regulate inhibitory signaling in the cerebellum during development, enabling the emergence of flexible and precise motor coordination. In contrast, younger animals rely on neuron-derived tonic inhibition, which is replaced by astrocyte-derived tonic inhibition in late adolescence.
A team of researchers has developed a method to decode fluctuations in spontaneous pain intensity in individuals with chronic pain using extensively sampled functional MRI data. The study found that neural patterns underlying pain differ markedly between individuals, highlighting the importance of individualized brain-based biomarkers.
Researchers found that veterans with prior concussions showed slower and less accurate eye movements, along with reduced performance on attention-based tasks. These subtle brain changes can be measured more than a decade after the original injury.
A new study from Houston Methodist suggests that the outer area of the retina may hold clues to early Alzheimer's detection, potentially allowing for non-invasive diagnosis and monitoring. Researchers found that changes in retinal cells and blood vessels can indicate the onset of AD years before symptoms appear.
Cancer cell researchers at the University of Oklahoma have developed a novel 'triangle regulation theory' that explains the development of cancer-induced cachexia and anorexia. The theory reveals how cancer cells recruit immune cells to trigger excess production of growth factor 15, leading to muscle wasting and loss of appetite.
Insilico Medicine and CMS announce multiple collaborations on AI-empowered drug discovery in central nervous system and autoimmune diseases. The partnerships aim to accelerate research, development, and translation of high-potential innovative therapies, leveraging complementary strengths across the entire value chain.
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 developed a novel nanoparticle system to cross the BBB, target infection sites, and release antibacterial agents locally. This strategy effectively disrupts biofilms, eliminates drug-resistant bacteria, and reduces neuroinflammation.
Researchers at USC's Kanso Bioinspired Motion Lab discovered that sea stars' tube feet respond independently to changing loads, enabling local control strategy. This decentralized approach can optimize robot locomotion and adapt to environmental changes.
Researchers have uncovered a new understanding of how cardiac events are interconnected with the brain and nervous/immune systems. They found that sensory neurons in the vagus nerve detect injury and transfer signals to dedicated brain structures, leading to activation of the immune system.
Researchers developed miniature 3D tumor organoid models that closely mimic the human brain, revealing how glioblastoma interacts with surrounding brain cells and immune system. The models identified PTPRZ1 as a key regulator of tumor behavior, which helps determine its aggressiveness.
Research finds that nearly one in four Medicare beneficiaries with dementia are prescribed potentially harmful medications linked to falls, confusion, and hospitalization. Despite declines in prescribing rates, high levels of inappropriate prescribing persist among older adults with cognitive impairment.
A study found that older adults are prescribed potentially inappropriate central nervous system-active medications despite guidelines. Patients with cognitive impairment were more likely to receive these medications than those with normal cognition. The study highlights the need for better medication management in older adults.
Dr. Maria Margarita Behrens' work deciphers the molecular signatures defining every human brain cell type, shedding light on neural development and psychiatric disorders. Her single-cell epigenomic atlases will enable researchers to target specific cell types with unprecedented precision.
Researchers tested Spatial Computing theory by examining neural activity and brain wave patterns in animals performing working memory and categorization tasks. The findings support the theory's predictions, including that alpha/beta waves represent task controls and rules, while spiking activity carries sensory information.
A newly discovered neural pathway connects the amygdala with arousal centers in mice, revealing a key mechanism for emotional regulation of sleep-wake cycles. This finding highlights potential therapeutic targets for stress-related insomnia and mood disorders.
Research from Colorado State University sheds light on the regulation of chemical balance in the brain, focusing on GABA, a neurotransmitter that helps calm brain activity. The study provides insights into how neurons maintain effective communication with each other, even when GABA is produced far from synapses.
A study published in JAMA Network Open found that older adults with chronic kidney disease or cerebrovascular disease are at double the risk for developing neuroinvasive West Nile virus infection, which can lead to paralysis and death. The study identified several risk factors, including male sex, immune suppressants, and multiple scle...
Researchers found that increased activity of a specific protein in the brain can alter learning processes associated with rewards. This discovery may lead to better treatments for conditions like addiction and depression.
Researchers at Pitt and UPMC Children's Hospital discovered a biomarker of complicated pediatric traumatic brain injury, which may serve as dynamic indicators of post-injury recovery. The study found that children with TBI had a different epigenetic profile compared to those with orthopaedic injuries.
Researchers found that the prefrontal cortex sends customized signals to visual and motor regions, influencing their activity based on arousal levels and movement. The study reveals distinct roles of prefrontal subregions in shaping visual processing, with one region enhancing stimuli detection and another dampening irrelevant stimuli.
Researchers at Tulane University discovered a new nerve cell signaling mechanism that can turn on pain signaling after injury, potentially leading to safer treatments. The discovery of enzyme vertebrate lonesome kinase (VLK) offers a new way to influence cell behavior and could simplify drug development.
According to Miller, brain waves sculpt the flow of information in the cortex, enabling volitional control of thought. The cortex organizes itself through analog computation, leading to consciousness as a unified awareness of thought and experience.
A recent study found that multilingual individuals experience slower biobehavioral aging compared to monolinguals. The study analyzed data from 86,149 participants across Europe and showed that multilingualism is associated with a lower risk of accelerated aging.
Researchers have demonstrated that doxycycline can improve survival rates and neurological outcomes in children with Central Nervous System Tuberculosis. The study found that treating CNS-TB laboratory models with doxycycline alongside standard TB drugs suppressed inflammation, preserved brain tissue, and improved vascular integrity.
Researchers found that a rotating brain wave helps the cortex recover its computational path after a distraction, improving performance in visual working memory tasks. Longer time intervals between distractions also aid recovery.
A multidisciplinary research team discovered that liver alterations associated with metabolic dysfunction can cause cognitive and neurological impairments. The effects were reversed by a therapy targeting the liver, establishing a 'liver-brain axis'. This finding opens up new therapeutic avenues for treating metabolic liver disease.
A groundbreaking study in The American Journal of Pathology reveals a perineural pathway that enables HIV-infected immune cells to redistribute throughout the body, sustaining inflammation. The findings highlight the importance of the connection between the central nervous system and peripheral nervous system in immunity.
The researchers are studying how brief, playful social interactions affect brain function and cognitive performance in older adults using advanced brain imaging techniques. They aim to develop simple and inexpensive interventions that can be implemented in clinical settings and in the community.
Graz University of Technology and the University of Regensburg are conducting research on the interaction of cell types at the blood-brain barrier, with a particular focus on sex-specific differences in depression. The study aims to identify mechanisms contributing to depression and develop targeted therapies.
A large-scale international study found that creative experiences slow brain aging and promote healthier brain function. Creative activities such as music, dance, and video games were linked to 'younger' brain profiles, particularly in regions vulnerable to neurodegeneration.
The brain divides vision between its two hemispheres to enable seamless perception. Researchers at the Picower Institute found that different frequencies of brain waves are encoded and transferred information from one hemisphere to the other before an object crosses the middle of the field of view.
A study published in Science Advances reveals that an autism-linked mutation disrupts brain circuits responsible for erasing fear memories, leading to PTSD-like symptoms. By reactivating specific neurons, researchers were able to reverse the behavioral and physiological abnormalities.
Research found that cumulative exposure to factors like low education, childhood trauma, and financial stress negatively impacts brain structure and function. This has long-lasting effects on mental and brain health, even in healthy aging and dementia prevention.
The Mount Sinai Hospital has relocated its inpatient services to a newly renovated space at Mount Sinai Morningside, featuring lifts, larger rooms, and state-of-the-art equipment. The new facility aims to enhance care for patients with various rehabilitative needs, including brain and spinal cord injuries.
A team of researchers has developed a mathematical model that integrates sensory feedback to enable eel-like robots to swim and crawl on land. The study shows how multisensory feedback enables eels to adapt their movement patterns after spinal cord injury, providing insights into the evolutionary transition of vertebrates from water to...
A new exosome-based therapeutic agent has been developed to treat traumatic CNS injuries, alleviating neuronal apoptosis and restoring glial homeostasis. The treatment, SeNExo, promotes neuronal repair and reduces oxidative damage, showing potent therapeutic benefits in mouse models.
Researchers evaluated clinical outcomes of endoscopic resection in sellar chondrosarcomas, revealing common symptoms like blurring of vision and headaches. The study also provides recommendations for accurate diagnosis using imaging data and clinical features.
Researchers at Beijing Tiantan Hospital developed a one-stage hybrid operation to treat hypervascular CNS tumors, achieving high rates of gross-total removal and improved neurological function. The technique combines embolization and resection in a single procedure, reducing intraoperative bleeding risk and operative time.
The new book Spinal Surgery Biomechanics: Principles for Residents offers a comprehensive exploration of core biomechanical concepts essential for mastering spinal surgical procedures. It bridges the gap between theory and practice, providing a biomechanical framework that supports surgical planning and patient safety.
Researchers found that astrocytes maintain optimal levels of GABA to enable neural groups to process visual information efficiently. Knocking out Gat3 in mice impaired neuron coordination and reduced ensemble activity, highlighting the importance of astrocytic regulation.
A research team led by Virginia Tech's Fralin Biomedical Research Institute is working on a technique that uses focused ultrasound to deliver creatine directly to the brain. This method aims to restore normal brain mass in models of creatine deficiency, which can impair brain development and lead to severe cognitive challenges.
Hideyuki Okano has been elected President of the International Society for Stem Cell Research (ISSCR), an organization dedicated to promoting excellence in stem cell science. He will champion inclusive excellence, advance discovery, and ensure that the transformative promise of stem cell science benefits the world.
Dr. Danielle Beckman's research uses animal models to understand how viruses like COVID-19 trigger neurological damage and accelerate Alzheimer's disease. Her work has established critical connections between viral infections and neurodegenerative processes.
A new study published in PLOS Biology found that non-invasive brain stimulation can improve maths learning outcomes for individuals with weaker brain connectivity between the dorsolateral prefrontal cortex and the posterior parietal cortex. The treatment also showed positive effects on GABA levels, a brain chemical involved in learning.
Scientists have developed a new multiscale modeling approach that can simulate how microscopic changes affect macroscale brain activity. The framework successfully predicted the effects of anesthesia on synaptic receptors, bridging the gap between molecular and whole-brain levels.
A recent study has discovered a connection between brain damage and an increased likelihood of committing crimes. The research, led by Harvard Medical School and the University of Colorado Anschutz Medical Campus, found that damage to the right uncinate fasciculus was linked to criminal behavior.
A brain age gap refers to the difference between predicted age and actual chronological age. The study found that higher cognitive impairment risk factor scores were consistently associated with poorer cognitive performance, especially in areas like executive function and language. Researchers developed a brain age prediction model to ...
The new edition of Mark Bear's neuroscience textbook emphasizes accessibility and excitement, presenting the hard science without making it hard. The book features over 100 'Path of Discovery' essays by prominent neuroscientists, including several Nobel prize winners.
Dr. Sophia Shi's groundbreaking research reveals that the glycocalyx deteriorates with age, leading to blood-brain barrier dysfunction and cognitive decline. Her work provides concrete molecular targets for drug development and may lead to treatments that address the root causes of neurodegeneration.
Researchers have discovered a novel cell-clearance pathway linked to diseases such as Chediak-Higashi Syndrome, which affects immune system function. The study used CRISPR/Cas9 gene-editing technology and live imaging to characterize this pathway and identify key genes involved.
Researchers discovered that the brain's retrosplenial cortex (RSC) encodes competing navigation hypotheses in distinct neural activity patterns. These patterns allow animals to choose the correct path despite ambiguity, and can be used to compute how to reach a reward.
Researchers have discovered a new method to enhance brain waste clearance by precisely stimulating the lymphatics under skin on the neck and face. This non-invasive approach may offer a safer alternative to current treatments for age-related neurological disorders, such as Alzheimer's disease.
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.
Research highlights potential link between microplastics in ultra-processed foods and brain health, with possible connections to depression and dementia. The studies propose a novel hypothesis connecting ultra-processed food consumption, microplastic exposure, and mental health outcomes.
Researchers from Mass General Brigham have identified a key predictor of stroke risk among women: brain health scores. Women with higher McCance Brain Care Scores (BCS) had a reduced risk of experiencing a cerebrovascular event, with those with a five-point higher baseline score being 37% less likely to experience an event.
A new technique using focused sound waves and microbubbles has shown great promise in treating debilitating brain lesions called cerebral cavernous malformations. The approach has halted the growth of lesions almost entirely, offering a potential paradigm shift in treatment.
Researchers discovered that the brain suppresses the current action without using another mechanism to inhibit it, enabling seamless transitions between actions. This finding could lead to the development of biologically-inspired robotic systems and improve clinical treatments for Parkinson's patients.
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.
Scientists at St. Jude Children's Research Hospital discovered FOXR2 activation in multiple pediatric CNS tumor types, including high-grade gliomas and pineoblastomas, with significantly different clinical outcomes. The study highlights the importance of combining molecular findings with other diagnostic approaches to improve treatment...