Articles tagged with Nervous System
A new study found an association between lower extremity spasticity and cryptorchidism treatment in boys with cerebral palsy. Boys with more severe spasticity were especially likely to have had the surgery, suggesting a potential link between affected muscles and testicle development.
Researchers analyzed 90 samples of raw pheasant dog food and found that 77% exceeded the maximum residue level for lead in animal feed. The mean lead concentration was 34 times higher than in human-consumed pheasant meat, posing health risks to dogs, especially puppies.
Scientists have created a detailed map of human spinal cord cell formation, shedding light on how injuries and diseases arise. The study's findings hold promise for developing new therapies for spinal cord injuries and diseases like ALS.
This study found that iron deficiency impairs neural differentiation, leading to reduced Pax6- and Sox2-positive neuronal precursor cells and Tuj1 fibers. Iron supplementation restores normal differentiation, suggesting ferrodifferentiation as a new therapeutic approach for neurological diseases.
A team of UCF College of Medicine researchers created a digital topographical map of the cardiac sympathetic neural network, controlling heart rate and 'fight-or-flight' response. The map will guide treatments like neuromodulation therapy for hypertension, sleep apnea, and heart failure.
A study found that monkeys with opposable thumbs were fooled by a sleight-of-hand trick, while those without were not. The French drop trick worked for capuchins and squirrel monkeys due to mirroring in their neural motor system.
Researchers identified over 1,000 genes with age-related methylation changes in human sperm. These changes are associated with increased offspring disease susceptibility for neurodevelopmental disorders. The study found no correlation between paternal BMI or semen quality and age-related methylation changes.
The study reveals that NEMO forms biomolecular condensates with ubiquitin chains to activate NF-κB signaling, facilitating rapid regulation of cellular responses. A pathogenic mutation in the NEMO gene inhibits this process, leading to a disease characterized by skin abnormalities and neurological symptoms.
Researchers have identified serine as a key contributor to peripheral neuropathy in diabetes, a condition that affects approximately half of people with type 1 or type 2 diabetes. Supplementing diabetic mice with serine alleviated neuropathy symptoms, suggesting a potential treatment option.
A new Dartmouth study uses a subjective approach to investigate how people perceive social interactions. The results show that the brain responds more strongly to information interpreted as social versus non-social, highlighting humans' tendency to see social connections.
A new laboratory test can measure levels of amyloid beta oligomers in blood samples, detecting toxic proteins up to years before cognitive impairment. The test, SOBA, has shown promising results in identifying individuals at risk or incubating Alzheimer's disease.
Research reveals mitochondria play crucial role in NF-κB signaling pathway regulation. Mitochondria assemble signaling platform at outer membrane, amplifying signal through large surface area.
A team of researchers identified a protein kinase substrate downstream of the dopamine signaling pathway regulating brain reward behavior. The study found that phosphorylation of potassium voltage-gated channel subfamily Q member 2 (KCNQ2) decreases its channel activity, increasing neuronal excitability and promoting reward behavior.
Researchers developed an epigenetic activator TTK21 to aid spinal cord regeneration in mice 12 weeks after severe injury. Treatment improved axon sprouting, sensory axon growth, and halted retraction of motor axons, leading to potential breakthroughs for human patients.
A new study reveals key clues about the form of the most ancestral nervous system and how it first evolved. Researchers found that neurons, possibly the most complicated cell type ever to evolve, share similar structures with comb jellies and other ancient animal lineages.
A new treatment has shown clinically meaningful effects on pain intensity and disability, with participants reporting improved quality of life and long-term benefits. The sensorimotor retraining approach alters how people think about their body in pain and normalizes communication between the back and brain.
Researchers developed a technology that uses surviving neurons to restore connection between brain and arm via specific stimulation pulses to the spinal cord. This allowed macaque monkeys with partial arm paralysis to improve precision, force, and range of movement in their arms.
The WVU program trains next generation of toxicologists to collect, analyze air samples from mining, fracking sites, using the university's Inhalation Facility. Students will work with preceptors from various fields to investigate health effects of inhaling toxicants.
A new study suggests that supplementing a diet with Ascidiacea, also known as sea squirts, reverses some main signs of aging in animal models. The researchers found that plasmalogens, vital to body processes, decrease with age and contribute to neurodegenerative diseases like Alzheimer's and Parkinson's.
A study by Tokyo University of Science researchers has demonstrated that a computationally-light model can simulate complex brain cell responses, including periodic and quasi-periodic responses. The Izhikevich neuron model was found to be capable of reproducing both types of responses at lower computational cost.
A novel bed net treated with chlorfenapyr has been shown to significantly reduce malaria infection in children, with a 43% decrease in the first year and 37% decrease in the second year. The study found that the bed net reduced clinical episodes of malaria by 44% over two years.
Scientists at Washington State University have discovered a novel theory that the innate immune system can respond differently to specific pathogens. This quality, known as immunological specificity, is driven by the nervous system and could provide a basis for finetuning an experimental treatment to fight infection.
A study by UConn Health and Washington University School of Medicine found that eating more meat correlates with worse MS symptoms, altered gut bacteria, and increased immune cells. The research identified key bacteria and metabolites associated with the disease, providing new insights into its causes.
A University of Ottawa study found that trying to suppress emotions with a poker face or smile has little impact on mood and memory, contradicting past research. Instead, participants used alternative strategies like changing their perspective to cope with distressing moments.
Researchers have identified a new molecular component of Amyotrophic Lateral Sclerosis (ALS) pathological aggregates, a circular RNA called circ-Hdgfrp3. This circular RNA plays a crucial role in the formation and progression of ALS, highlighting its potential as a therapeutic target.
Researchers discovered that a brain area traditionally thought to specialize in old habits also plays a role in learning new actions. The study found that the dorsolateral striatum is involved in consolidating action learning immediately after the new action has been learned.
Researchers describe two new species of fossil ctenophores from Utah with preserved nervous systems and up to 24 comb rows. These findings suggest that Cambrian ctenophores had more complex nervous systems than living species, with specific nerve tracks along the body and a ring around the mouth.
Research found that COVID-19 affects sympathetic nervous system activity, leading to abnormal heart rate and blood pressure responses. This alteration may have long-term implications for cardiovascular health in older adults.
Researchers found that spiders from 11 different families can catch and eat snakes, including species up to one meter in length. The venom of these spiders also has a similar effect on snake nervous systems as it does on humans.
Researchers found that SKN-1B controls behaviors like foraging, eating and resting in nematode worms, which may regulate food-sensing and fullness in humans. The study proposes a similar transcription factor, Nrfs, as a potential target for developing drugs controlling overeating.
Researchers observed that giant unicellular slime molds change tube diameters in response to nutrient sources, imprinted in the hierarchy of thinner and thicker tubes. This reorganization persists for up to 30 minutes before the organism migrates toward the nutrient source, suggesting a mechanism for memory formation.
New studies from the University of Eastern Finland show that obstructive sleep apnea causes higher heart rate variability and changes in heart rate intervals, leading to reduced daytime alertness. The findings suggest a link between OSA and increased cardiovascular disease risk.
A new study found that a Mediterranean diet can enhance stress resilience and slow nervous system aging in animal models. The study showed that the Mediterranean diet reduced sympathetic nervous system activity and cortisol levels compared to a Western diet.
Researchers have discovered how octopuses can taste objects by touch using their suckers, which include discrete populations of sensory cells. The study found that distinct chemotactile receptors form ion channel complexes that detect specific signals and send them to the nervous system.
Laminin plays a crucial role in regulating interactions between migrating neural crest cells and the extracellular matrix. The study found that alterations in LAMR expression contribute to neural crest cell migration failure in Hirschsprung disease, leading to colonization of the distal colon when YIGSR is applied.
Researchers identified a potential underlying mechanism in the nervous system responsible for varying pain patterns with knee osteoarthritis. People with more pain sensitization were more likely to suffer from constant and unpredictable pain.
Researchers at UMD have identified a critical role for the molecule ACC in plant reproduction and pollination, activating proteins similar to those involved in nervous system responses in humans and animals. This finding could rewrite textbooks and lead to new research on improving plant health and crop yield.
A new algorithm can continuously monitor a person's sympathetic nervous system activation using skin conductance and heart rate measurements, aiding in the development of wearable monitors for anxiety disorders.
Researchers used a virtual flight simulator to compare the effects of two pesticides on locusts, finding that the newer sulfoxamine pesticide does not impair motion detection ability at low dosages. The study suggests that the pesticide may be safer than current neonicotinoid options for agriculture use.
Researchers from Dresden and Osaka present a pioneering active matrix magnetic sensor system that overcomes the obstacle of interconnecting individual sensors. The system consists of organic thin-film transistors integrated within a single platform, demonstrating high magnetic sensitivity and robustness against mechanical deformation.
A study by Oregon State University researchers found a connection between children's gut microbiomes and their behavior, with those experiencing behavioral problems having different microbiome profiles. The quality of the parent-child relationship and parental stress also played a role in shaping these differences. Further research is ...
The Asynchronous Coded Electronic Skin (ACES) system can detect touches 1,000 times faster than the human sensory nervous system. It achieves ultra-high responsiveness and robustness to damage, making it suitable for robots and prosthetic devices.
A new study identifies a mechanism in nematodes that allows neurons to transmit information to future generations, influencing physiological processes such as food-seeking behavior. This finding challenges the traditional view of the Weismann Barrier and has major implications for understanding heredity and evolution.
Researchers found that visual and haptic information significantly improves grasp movements, demonstrating the nervous system's use of both types of information for optimal movement execution. The simultaneous availability of vision and haptics led to faster movements and a decrease in grip aperture.
A study published in Nature Communications found that separating male and female mice leads to differences in their olfactory sensory receptors. As a result, the mice may perceive odors differently. This research has implications for understanding sex-specific differences in human olfactory function.
A new article published by CU researchers provides an overview of biological and chemical agents that might be used in potential terror attacks. The authors describe how to recognize, diagnose, treat, and report exposures to various agents, aiming to better prepare healthcare providers for such emergencies.
A new study reveals that Placozoans use a peptidergic signalling system to coordinate complex behaviors, including feeding. The discovery sheds light on the evolution of nervous systems and how they became the body's control system.
Research finds that pride serves an evolved function in human nature, helping individuals weigh self-interest against social approval. The study reveals a close link between pride and the values of those around us, suggesting it's a win-win rather than a sin.
The study reveals that acid-sensing ion channels (ASICs) have a long evolutionary history, dating back over 600 million years. ASICs are now found in various invertebrates, including sea urchins, starfish, and tunicates.
Researchers found that gut microbiota regulates adult enteric nervous system maturation through serotonin networks, potentially impacting gastrointestinal disorders. The study used germ-free mice colonized with normal microbiota to demonstrate this link.
A new study of nearly 1,500 newborns found significant variations in drug prescriptions between neonatal intensive care units (NICUs) in The Netherlands. Cardiovascular and nervous system drugs were often prescribed off-label, with varying degrees of appropriateness.
A new study by the University of Nottingham found that lower temperatures can activate the formation of 'good' brown adipose tissue (BAT) in adults. This discovery could lead to new ways of controlling diseases such as diabetes and obesity.
Research by Weill Cornell Medicine scientists reveals that the nervous system can dampen excessive inflammation in the gut and lungs, which may lead to new treatments for diseases like asthma and inflammatory bowel disease. The study also found that beta-adrenergic receptors play a crucial role in controlling the immune response.
Phoronida, Bryozoans, and Brachiopods are related despite earlier arguments. A recent study led by Elena Temereva reveals the presence of homological nerve elements in their lophophore, establishing a common protophoronid ancestor.
Research finds that late preterm babies, born at 35 weeks, are more likely to develop altered heart control and increased cardiovascular disease risk. Adult premature males also show decreased blood pressure regulation.
Researchers from Kiel University discovered that small molecules secreted by nerve cells influence the composition and colonization of specific types of beneficial bacteria in Hydra. The study found that these neuropeptides have antibacterial activity, which affects the balance of the microbiome.
A study published in Scientific Reports found that consistent lead-in motions enable faster learning of new techniques, with participants perfecting their skills twice as quickly when executing consistent movements. The research has implications for skill learning and movement rehabilitation following neurological conditions.
A clinical study showed that patients wearing a smart walking assist immediately improved their locomotor abilities and could perform daily activities without support. The algorithm tailors assistance to each patient based on leg movement, stride length, and muscle activity to promote natural walking patterns.
Researchers studied the effects of miniaturization on insect organs, finding that some systems remain constant in volume despite size reductions. The study, published in Scientific Reports, reveals insights into the adaptability of insect structure to scaling and reduction in body sizes.
Research led by University of Queensland scientist Associate Professor Bryan Fry reveals that brown snake venom attacks the nervous system in young snakes and circulatory system in older ones. This transformation allows the venom to become more potent and deadly, causing internal bleeding and death in humans.