Articles tagged with Autonomic Nervous System
Lehigh University researchers develop comprehensive mathematical model of the neural circuitry linking the gut and brain to regulate stomach function, opening new pathways for treating chronic digestive disorders through targeted vagus nerve stimulation. The digital twin could help accelerate therapy development and improve quality of ...
Research reveals inflammation in the GI tract changes how nerves are arranged, affecting intestinal muscle contractions. A protective stress response pathway helps neurons survive, preserving their structure and potentially offering a way to curtail persistent symptoms associated with IBD.
A study published in Brain Medicine suggests autonomic dysfunction, particularly parasympathetic and sympathetic imbalances, contributes to depressive symptoms in patients unresponsive to conventional antidepressants. Low-dose medications targeting these imbalances may offer a new approach to treatment.
Scientists have developed a novel computational framework for real-time, personalized heart rate variability monitoring. The framework provides robust, adaptive alerts and improves the accuracy of HRV analysis by excluding artifact-prone periods.
A new study reveals that endometriosis can lead to lower blood pressure responses in women due to altered autonomic nervous system functions. This finding may have significant implications for diagnosis and treatment of the condition.
A joint research team from POSTECH and Hanyang University developed a personalized stimulation control mechanism using evoked compound action potential feedback mechanisms to treat urinary disorders. This technology enables precise adjustment of tibial nerve stimulation in real-time, based on individual nerve responses, improving patie...
A survey conducted among ESTS members revealed that sympathetic surgery is commonly used for hyperhidrosis and facial flushing, with a preference for nerve cutting over clipping. However, there was significant heterogeneity in practice, highlighting the need for standardization and further research.
A study of 130 volunteers found a drastic decrease in heart rate variability after COVID-19, even in mild cases. The researchers observed an imbalance between the sympathetic and parasympathetic nervous systems, suggesting a higher risk of adverse cardiovascular outcomes.
Virginia Tech researchers Pamela VandeVord and Gunnar Brolinson received a $2.17 million grant to investigate cranial osteopathic manual manipulation as a potential treatment for traumatic brain injury symptoms, particularly headaches. The noninvasive technique aims to enhance brain fluid motion and balance the autonomic nervous system.
The Tim and Caroline Reynolds Center at Kessler Foundation has successfully implanted a spinal cord epidural stimulator in an individual with paralysis. The treatment uses electrical impulses directly into the spinal cord, potentially allowing individuals to regain critical bodily functions such as bladder function and motor control.
A study by TU Wien found that nerve stimulation is more effective when synchronized with the body's natural rhythms, particularly during systole and inspiration. This technology has potential for non-invasive treatment of chronic diseases.
Researchers found that babies' first vocalizations and attempts at forming words coincide with fluctuations in their heart rate. This discovery may indicate that successful speech development depends on predictable ranges of autonomic activity during infancy.
Researchers investigated neural mechanisms of stress-induced cardiovascular responses by activating lateral habenula in rats. Activation caused changes in blood pressure and heart rate, which were suppressed by pharmacological blockade of dopamine neurotransmission.
Researchers found that patients taking beta-blockers had a significantly lower risk of developing Huntington's symptoms and slower symptom worsening compared to non-users. This suggests that beta-blockers may provide benefit to patients at various stages of the disease.
Researchers discovered a new component of the peripheral nervous system that acts by increasing energy metabolism in the body. This finding paves the way for simpler and cheaper drugs to control obesity and weight gain.
Researchers have found that ultra-short heart rate variability measures can accurately capture autonomic function in severe TBI survivors using 30-60 second recordings. The study validates the reliability of these ultra-short HRV measures, which may provide an objective marker for post-TBI autonomic health.
A breakthrough technology allows for touchless infrared imaging to monitor changes in pupil size and gaze direction behind closed eyes. This innovation can help identify wakefulness, awareness, and pain in sleep, anesthesia, and intensive care, enabling more accurate clinical decision-making.
A study of 23 elderly patients with hypertension found that evening aerobic exercise improved baroreflex sensitivity, a mechanism that regulates blood pressure. This improvement led to better blood pressure regulation and reduced muscle sympathetic nerve activity, making evening exercise more effective than morning exercise.
Research finds Parkinson's disease alters bodily sensations associated with basic emotions, shifting focus from chest to abdominal area. The study highlights the significance of non-motor symptoms in Parkinson's disease, raising new perspectives for treatment and research.
A large all-female study found that women with low resting heart rates were more likely to engage in criminal behavior and experience unintentional injuries. The research suggests a potential link between autonomic nervous system arousal and stimulation-seeking tendencies.
Researchers found that MAFB inhibits the expression of inflammatory cytokine IL-6, reducing sympathetic nerve fiber density and impairing thermogenic capacity. This regulation plays a key role in maintaining body temperature in cold environments.
Kessler Foundation and collaborators win $1 million prize for proof-of-concept study on tablet-type controller StimXS, designed to help individuals with spinal cord injuries manage autonomic functions. The team advances to Phase 3 of the NIH Common Fund's Neuromod Prize competition.
A new study reveals that music activates the autonomic nervous system, causing shivers down the spine, regardless of culture. The research found that emotional music triggers specific bodily sensations across Western and Asian listeners, suggesting a universal response to music-induced emotions.
A new research case study published in The Lancet highlights the need for greater awareness of the 'blue legs' symptom associated with Long Covid. Acrocyanosis, a venous pooling of blood in the legs, can be a symptom of dysautonomia and postural orthostatic tachycardia syndrome (POTS) in patients with Long Covid.
A new study in mice reveals that a middle-brain region controls aggression towards young animals, while another region promotes maternal behavior. The findings suggest that the brain mechanism behind infanticide by women may be similar to that in males.
Research found that low oxygen levels in infants due to sleep apnea can lead to dysregulation of the autonomic nervous system, resulting in high blood pressure. The study's findings may contribute to the development of novel therapies for patients with hypertension who do not respond well to treatment.
Researchers found lower levels of CD4+ and CD8+ T cells in people with Long COVID, as well as increased B cells and immune cell dysregulation. Autonomic nervous system problems also contributed to symptoms like fatigue and 'brain fog',
Researchers used transcranial stimulation to regulate Autonomic Nervous System responses and increase oxygen saturation in hospitalized patients with Covid-19. The treatment improved ANS regulation and reduced symptoms without adverse effects.
A recent study at Ruhr-University Bochum found that interactive online teaching can increase students' physiological state of arousal compared to passive online or face-to-face teaching. Students in interactive online classes reported feeling more involved and attentive but also experienced increased anxiety.
A new study using closed-loop, acoustic stimulation neurotechnology shows significant improvements in sleep quality and autonomic nervous system function in adults with insomnia. The intervention, called CR-SOP, was found to reduce insomnia symptoms and improve heart rate variability and baroreflex sensitivity.
A research team at MedUni Vienna's Department of Plastic, Reconstructive and Aesthetic Surgery has discovered a previously unknown ability of the autonomic nervous system to spontaneously restore muscle function following a nerve injury. This finding may form the basis for improving interventions to treat nerve lesions.
A study found that leptin stimulates liver fat export and lowers liver fat content in healthy men, suggesting a new approach for treating fatty liver disease. The findings imply that the brain plays a role in liver fat metabolism via the autonomic nervous system, opening up potential new treatment options.
A new home-based test, aAP, allows patients to monitor their autonomic responses and make lifestyle changes to alleviate symptoms. This test reduces NHS resource demand and provides clinicians with valuable insights into patient triggers.
Rose Faghih and her team have developed a novel inference engine to monitor brain activity in real-time using wearable devices, offering high scalability and accuracy. The algorithm can track mental states with high reliability, providing insights into autonomic nervous system activation.
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.
A research team has won the NIH's Neuromod Prize for their innovative approach to spinal stimulation, which uses autonomic neuromodulation to regulate nervous system activity. The breakthrough could lead to improved autonomy and daily functioning for people with spinal cord injuries.
Researchers found that aerobic exercise improves autonomic regulation of the heart and contributes to proper functioning of the cardiovascular system. Walking for 45 minutes three times a week increased heart rate variability, a scientifically validated parameter to assess the functioning of the autonomic nervous system.
A recent study published in Frontiers in Cardiovascular Medicine found that transcranial direct current stimulation (tDCS) can lower blood pressure in patients with resistant hypertension. After a single session or ten sessions, the treatment reduced peripheral and central blood pressure in some patients by up to 15 mmHg.
Researchers found that post-COVID patients displayed altered autonomic nervous system functioning, with increased sympathetic activity and decreased parasympathetic activity. Obesity and physical inactivity were key factors contributing to these changes.
Women with GAD exhibit abnormal interoception, perceiving intense heartbeats and lower neural activity in the ventromedial prefrontal cortex. The study suggests a causal link between cardiovascular sensitivity and frontal cortex insensitivity, contributing to anxiety symptoms.
Cluster headaches are extremely painful and occur in cyclical patterns. The study found that pediatric-onset cluster headache affects 27.5% of survey participants but only 15.2% were diagnosed before age 18.
A study of Finnish adults with overweight found that higher sleep-time parasympathetic activity is associated with healthier diets and lower alcohol consumption. Those with a good stress balance reported better diet quality, fibre intake, and self-control.
A Bar-Ilan University study found that individuals with more relaxed heart rate/respiratory function 2-3 years prior to SARS-CoV-2 reported greater mental well-being during the pandemic. Physiological measures such as RSA and SCL were used to assess individuals' mental well-being and regulation of negative emotions.
Researchers found that sleepwalkers show an elevated rest-and-digest response and a lower fight-or-flight response during deep sleep. This discovery paves the way for new understanding of the phenomenon and potential treatments for sleepwalking.
Researchers found that the lateral habenula (LHb) regulates cardiovascular responses via the serotonergic system, controlling heart rate and blood pressure. The study provides new insights into the neural mechanisms underlying stress-induced behavioral responses.
A recent study from Tampere University found that direct gaze during video calls elicits similar psychophysiological responses as in-person eye contact. The researchers measured skin conductance and facial muscle activation to investigate the effects of eye contact in various situations.
A recent Finnish study found that more active and fit children have better cardiac regulation than less active peers. Higher sedentary time and lower levels of aerobic fitness were associated with poorer heart function in both boys and girls.
A new study at the University of Leeds suggests that transcutaneous vagus nerve stimulation (tVNS) may help slow down an important effect associated with ageing. The therapy, which delivers a small electrical current to the ear, has been shown to improve physiological and wellbeing outcomes in over-55s.
Researchers found that infants born via cesarean section had increased heart rate variability and lower relative gamma frequency EEG compared to those born through vaginal delivery. Autonomic tone appears to function well in both groups, but differences were observed after the first day of life.
Research at Children's National Hospital found that infants with hypoxic-ischemic encephalopathy (HIE) exhibit lower heart rate variability, a marker of autonomic nervous system stress. This study suggests heart rate variability as a valuable physiological biomarker for detecting brain injury in babies with HIE.
A new study suggests that electrical grounding can moderate preterm infants' electromagnetic exposure in the NICU, improving their health outcomes. Vagal tone, measured by heart rate variability, increased by 67% after grounding, indicating improved autonomic nervous system function.
A prospective study found that reduced heart rate variability may indicate a greater risk of post-traumatic stress disorder (PTSD) in U.S. Marines before and after combat deployment. The researchers suggest that addressing the biology of the autonomic nervous system may offer new opportunities for preventing PTSD.
A study of 39 female shift-working nurses found that longer rest periods between shifts improved recovery from work, as measured by increased parasympathetic activation and decreased sympathetic activation during sleep. This suggests that a forward-rotating shift system can promote better coping and well-being at work.
A new study from the University of Wisconsin-Madison finds that yogic breathing can effectively reduce symptoms of PTSD, including anxiety and hyperarousal. The practice has been shown to lower respiration rates and reduce PTSD symptoms in veterans.
A wearable device called pupillometer has been developed to detect early signs of diabetic autonomic neuropathy by measuring pupil diameter and response time. The device is designed to be worn on glasses and may lead to far better health outcomes for people with diabetes if proven safe and effective in clinical trials.
Researchers from the University of Granada found that fit individuals have a better sustained attention span and more rapid reaction times compared to those with poor physical health. The study also revealed that temporary perception had the greatest effect on heart rate variability, while sustained perception had the least.
Studies have shown that the autonomic nervous system plays a crucial role in regulating insulin secretion from beta cells in the pancreas. Researchers at Karolinska Institutet successfully grafted beta cells into mice eyes to study their function, revealing how the autonomic nervous system influences blood glucose levels.
A new study reveals that individuals with Prader-Willi Syndrome may have an impaired autonomic nervous system, leading to abnormal heart rate variability after meals. The findings suggest potential alternative treatments for the condition, which is characterized by insatiable appetite and high cardiovascular risk.
A study published in International Journal of Epidemiology found a strong association between sudden cardiac death and a thin placenta at birth, suggesting impaired fetal development of the autonomic nervous system as a contributing factor. The study also found an independent association with poor educational attainment.
A study published in Pain found that previous painful experiences with needles enhance unpleasantness of pain when viewing needle pricks. Clinicians may advise patients to look away during injections to reduce pain intensity.