Articles tagged with Nervous System
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.
Research by Dr Richard Stephens found that swearing aloud improves anaerobic power and isometric handgrip strength in participants. The study suggests that swearing stimulates the body's sympathetic nervous system, but further investigation is needed to understand its effects.
Recent research published in Frontiers in Public Health found that horseback riding enhances learning and problem-solving skills in children. The study, led by Professor Mitsuaki Ohta, suggests that the vibrations produced by horses during riding activate the sympathetic nervous system, leading to improved cognitive performance.
Researchers are working to enhance the heat-burning ability of brown fat to combat obesity. They discovered a gene, BSCL2, that regulates brown, white, and beige fat. Deleting this gene in mature brown fat surprisingly increased its efficiency at burning fat, while mice on high-fat diets still lost weight.
A new study found that manipulating the perception of mistakes can further enhance motor skills after an initial performance peak. Exaggerating errors reduced neural 'noise' and allowed participants to break past their plateau. The findings challenge existing assumptions about noise reduction.
A surgically implanted neuroprosthesis has led to substantial improvement in walking speed and distance for a patient with limited mobility after a stroke. The device stimulates coordinated activity of hip, knee, and ankle muscles, resulting in a more symmetrical and dynamic gait.
Researchers identified two distinct neuronal cell lineages expressing Nplp1, driven by different spatiotemporal cues and converging on a common terminal selector cascade. The study provides new insights into neuronal cell fate specification and the role of feed-forward loops in regulating gene expression during development.
Researchers at Umea University and Swedish Defence Research Agency develop a three-dimensional structure of the HI-6 nerve agent antidote, revealing its binding mechanism to acetylcholinesterase. The breakthrough provides new insights into designing effective antidotes against sarin and other nerve agents.
Differences in anatomy may affect an individual's ability to achieve orgasm, particularly for females where physical characteristics play a significant role. Research suggests that variations in clitoral migration and penis entry angle can influence sexual experiences.
Researchers at Drexel University found that a protein called TCF4, associated with schizophrenia and Pitt-Hopkins Syndrome, remains present in cells after neurogenesis and restricts synapse formation. This persistence may contribute to the development of these neurodevelopmental disorders.
Researchers at the University of Cincinnati are studying the interacting roles of the sympathetic nervous system, sensory nervous system, and immune system in preclinical models of back pain and neuropathic pain. The goal is to understand how timing of a nerve block treatment affects chronic pain relief.
Researchers have discovered significant differences in the number of neurons in nematode ventral cords across various species, suggesting that neuron number and anatomy may have evolved multiple times. This variation could lead to the development of more targeted nematicides to control plant-parasitic nematodes.
Research reveals tiny genetic molecules called microRNAs play crucial role in controlling muscles, with dysfunction linked to devastating neurodegenerative diseases such as ALS and SMA. The findings open new avenues for treating these disorders by correcting dysfunctional microRNAs.
A team of researchers at the University of Sussex has discovered a novel link between genetics and movement control in fruit flies. The study found that specific microRNAs play a crucial role in regulating precise movements, which could have significant implications for understanding human disorders like Parkinson's disease.
A study published in Current Biology found that people subconsciously change their walking patterns to expend the least amount of energy possible. By wearing robotic exoskeletons and altering resistance levels, researchers showed that participants adapt their step frequency to converge on a new energetic optimum within minutes.
A study from Aarhus University found that only those who are affectively and physiologically engaged in their party exhibit partisan bias. Party supporters' sympathy towards proposals is derived from emotional attachment to the party, not rational analysis.
Researchers found that inherent nervous system delays can enable individuals to anticipate others' movements, challenging traditional views. The study used a feedback delay to improve coordination between unpredictable movements, with promising implications for robotics and artificial systems.
Researchers at Scripps Research Institute have mapped the structure of an enzyme important for nervous system development. The new structure provides crucial information on how the protein binds to cellular components, shedding light on its role in neurodegenerative diseases such as retinal dystrophy and Joubert syndrome.
A new study published in Neurology found that people with migraines are twice as likely to develop Bell's palsy, a condition that causes facial paralysis. The study suggests that these two conditions may share a common underlying link.
Researchers at Howard Hughes Medical Institute's Janelia Research Campus have created a computational method to rapidly track cell movements in data-rich images. This enables the automation of reconstructing an animal's developmental building plan cell by cell, with potential applications in understanding how the nervous system forms.
Researchers found that heart rate variability can predict the risk of necrotizing enterocolitis in premature infants. The study showed that decreased high-frequency energy distribution was associated with increased risk, while higher values were linked to a lower risk. This discovery offers new hope for early detection and intervention.
The Deutsche Forschungsgemeinschaft is establishing 13 new Research Training Groups to support early career researchers, including projects on quantum many-body methods and metrology for complex nanosystems. The groups will receive four and a half years of funding, bringing the total number of RTGs funded by DFG to 208.
Researchers studied cockroach behavior to develop faster robots, finding that mechanical changes can overcome nervous system limitations. Cockroach antennae bend in response to rough surfaces, allowing for stable navigation during high-speed maneuvers.
Eve Marder's pioneering work in understanding the nervous system has helped redefine how we think about neurons and their capabilities. Her research using crustaceans has also shed light on conditions like depression, showing that imbalances in neuromodulation are key factors.
Scientists confirm that an infection can trigger an autoimmune disease by identifying the exact conditions for an autoantibody response to occur. The research reveals a unique problem with the immune system's ability to distinguish between self and non-self, leading to autoimmunity in certain cases.
Researchers at MIT's Research Laboratory of Electronics found that a logarithmic scale is optimal for minimizing relative error in human sensory perception and memory. This aligns with natural human instinct to represent numbers logarithmically, particularly when storing data in memory or compressing stimuli.
A study of 400 patients found that 20.3% met the criteria for chemical intolerance, a condition characterized by sensitivity to common substances. Patients with chemical intolerance often experience multi-system symptoms and may need to avoid certain chemicals, foods, or medical prescriptions to manage their condition.
A molecular imaging study shows that ASV can improve cardiac function, exercise capacity, and sympathetic nerve activity in patients with congestive heart failure. The therapy was found to be just as effective as conservative treatments in reducing symptoms and improving overall health.
Researchers used mathematics and engineering to study 19 species of Conus sea snails, generating a model that estimates ancestral shell pigmentation patterns and identifies rapidly evolving parameters. The study provides an indirect way to study the evolution of simple nervous systems.
A new study by University of Bristol researchers found that racehorses can adapt rapidly to changes in the daily light-dark cycle, leading to improved physical performance. The horses were able to run at full gallop for an additional 25 seconds before reaching fatigue after experiencing a shift in their 24-hour light-dark cycle.
Researchers found that ghrelin hormone is required for prolonged psychosocial stress to promote preference and intake of high-fat food in mice. This discovery could lead to new therapeutic targets for curbing stress-related food behavior.
Researchers at Carnegie Mellon University have discovered a biologically-inspired method to organize wireless sensor networks and distributed computing applications. Inspired by the fruit fly's nervous system, a new algorithm has been developed that can efficiently deploy sensors without advance knowledge of their connections.