scispace - formally typeset
Search or ask a question

How does the autonomic nervous ssytem control heart rate? 


Best insight from top research papers

The autonomic nervous system (ANS) regulates heart rate through the interplay of sympathetic and parasympathetic branches. The sympathetic system, via adrenergic receptors, increases heart rate by stimulating the sinoatrial pacemaker activity . Conversely, the parasympathetic system, through muscarinic acetylcholine receptors, decreases heart rate by inhibiting the pacemaker current in the sinoatrial pacemaker cells . This delicate balance between sympathetic and parasympathetic activities is crucial for maintaining heart rate variability (HRV) and overall cardiac function. Studies have shown that an imbalance between these two branches of the ANS can lead to various cardiac arrhythmias, such as atrial fibrillation and ventricular tachyarrhythmias, emphasizing the significance of autonomic control in heart rate regulation .

Answers from top 5 papers

More filters
Papers (5)Insight
Book ChapterDOI
01 Jan 2015
8 Citations
The autonomic nervous system controls heart rate through its sympathetic division, which increases heart rate (chronotropism), and the parasympathetic division, which decreases heart rate (bradycardia).
The autonomic nervous system regulates heart rate through cAMP-PKA signaling, affecting sinoatrial nodal cell action potential firing rates via adrenergic and cholinergic receptor modulation.
The autonomic nervous system controls heart rate by modulating heart rate, conduction, and cellular properties. Both vagal and sympathetic activities influence cardiac electrophysiology, impacting arrhythmogenesis.
The autonomic nervous system controls heart rate by parasympathetic activity through muscarinic acetylcholine receptors decreasing pacemaker activity, and sympathetic activity via β1-adrenoreceptors increasing pacemaker activity.
The autonomic nervous system regulates heart rate through neurotransmitters like Norepinephrine and Acetylcholine from sympathetic and parasympathetic branches, as studied in the proposed computational model for heart rate variability.

Related Questions

Does breathwork regulate the autonomic nervous system?5 answersBreathwork can influence the autonomic nervous system. Studies have shown that controlled breathing at specific rates can impact autonomic activity. Deep breathing maneuvers, like slow deep breathing, can activate the parasympathetic nervous system, leading to increased parasympathetic activity. Additionally, vagus nerve stimulation through techniques like transcutaneous auricular VNS and deep breathing has been explored as a potential treatment approach for conditions associated with autonomic dysfunction. Research on astronauts has revealed that breathing frequencies and patterns can affect autonomic responses, with fluctuations disappearing during apnoea and suggesting a role of central respiratory motoneurone activity in regulating autonomic changes. Therefore, breathwork, including controlled breathing and vagus nerve stimulation, can indeed play a role in modulating the autonomic nervous system.
How does the autonomic nervous system influence human behavior and physiology?4 answersThe autonomic nervous system (ANS) plays a crucial role in regulating various physiological functions and behaviors in humans. It consists of the sympathetic and parasympathetic systems, which exhibit antagonistic effects. The sympathetic system triggers the "fight or flight" response, increasing heart rate, blood pressure, and overall activity levels, while the parasympathetic system promotes the "rest and digest" processes, lowering heart rate and blood pressure. These systems are controlled by complex interactions at different levels of the neuraxis, involving central structures like the insular cortex, hypothalamus, and brainstem nuclei. Dysfunctions in the ANS can lead to various symptoms, including orthostatic hypotension, gastrointestinal dysmotility, and neurogenic bladder, highlighting the critical role of the ANS in maintaining homeostasis and influencing human behavior and physiology.
What is the role of the autonomic nervous system in regulating respiratory rate?4 answersThe autonomic nervous system plays a crucial role in regulating respiratory rate. It controls the activity of the respiratory network, which generates the basic rhythm of breathing. The network consists of neurons located in the lower brain stem, particularly the pre-Botzinger complex of the medulla oblongata. This population of neurons generates the respiratory rhythm and transmits it to premotor neurons, which relay the pattern to respiratory muscles. The autonomic nervous system receives inputs from peripheral chemosensory and mechanosensory receptors, as well as modulatory inputs from other parts of the brain. These inputs are essential for adaptive changes in respiratory motor output, allowing for appropriate ventilation of the lungs in different environmental and physiological conditions.
What is the relationship between the autonomic nervous system and emotions?5 answersThe relationship between the autonomic nervous system (ANS) and emotions is a topic of ongoing research. Studies have investigated the role of ANS coordination in response to emotion in the development of aggression in children. ANS reactivity to specific emotions, such as sadness, fear, and happiness, has been found to be related to trajectories of relational and physical aggression. Additionally, ANS patterns have been identified during emotional reactivity tasks, with each pattern characterized by unique physiological changes. However, the association between positive emotional states and ANS reactivity is less clear, with studies indicating weak and variable increases in ANS activity. Overall, the relationship between the ANS and emotions is complex and multifaceted, with further research needed to fully understand the mechanisms involved.
What are the effects of the autonomic nervous system on the heart?4 answersThe autonomic nervous system (ANS) has significant effects on the heart. The sympathetic system has an excitatory effect on heart functions, while the parasympathetic system has inhibitory effects. The ANS influences various aspects of heart function, including heart rate, contractility, and conduction. In conditions such as heart failure, there is a shift towards sympathetic predominance and decreased vagal activity, leading to adverse effects on cardiac function. Autonomic dysregulation in cardiac disease states can promote disease progression and arrhythmogenesis. The cardiac ANS plays a crucial role in cardiac arrhythmogenesis, including atrial fibrillation and ventricular arrhythmias. Neural modulation through ablation or stimulation of the cardiac ANS has shown promise in controlling a wide spectrum of cardiac arrhythmias. Understanding the anatomy and physiology of the ANS-heart interaction is essential for developing therapeutic strategies for heart abnormalities.
What are the mechanisms by which the autonomic nervous system affects the prostate?5 answersThe autonomic nervous system affects the prostate through various mechanisms. The sympathetic nervous system, acting through β2 and β3-adrenoceptors, plays a role in the initiation of prostate cancer. Increased sympathetic activity with age may lead to increased prostatic cell proliferation and carcinogenesis. The sympathetic system promotes early stages of tumorigenesis. Unilateral sympathectomy leads to decreases in ventral prostate weight, DNA, and protein content, while unilateral parasympathectomy leads to increases in ventral prostate weight, DNA, and protein content. The parasympathetic nervous system, through M1 muscarinic receptors, plays a role in the dissemination of tumor metastases. The parasympathetic system promotes cancer dissemination. The autonomic innervation of the prostate has been accurately defined, and the functional significance of this innervation is considered.

See what other people are reading

2.what are the prevention's to avoid this kind of diseases?
5 answers
Preventive measures to avoid diseases encompass various strategies. One crucial aspect is the proactive evolution of strategies to prevent infection, including maternal efforts to enhance offspring immunocompetence and mate selection based on antigen-coding gene differences. Additionally, preventive healthcare systems play a vital role in reducing iatrogenic events, emphasizing the importance of better knowledge, intensive training for healthcare professionals, and improved healthcare systems. In the context of travel-related diseases, pre-travel advice focusing on risk avoidance, vaccination, and understanding that preventive measures are not foolproof is essential. Furthermore, for athletes, pre-participation cardiac evaluations have been highlighted as an effective strategy in reducing sudden cardiac deaths. By integrating these preventive approaches, individuals can mitigate the risks associated with various diseases effectively.
What is known about cold sress response in the brain such as brain region, mechanisms?
5 answers
Cold stress responses in the brain involve complex mechanisms and activation of specific brain regions. Studies have shown that exposure to cold can induce a state of chill coma in insects due to spreading depolarization in the central nervous system, acting as an "off switch" for neural circuits. In humans, cold allodynia, a symptom of neuropathic pain, activates central pain pathways involving brain areas like the insula, cingulate cortex, somatosensory cortex, frontal areas, and the cerebellum. Furthermore, responses to cold stress involve interactions between the central and autonomic nervous systems, with variations in adaptive reactions linked to different neurophysiological mechanisms and levels of voluntary attention. Understanding these responses is crucial for elucidating the neural underpinnings of stress coping, including freezing responses mediated by amygdala projections and fronto-amygdala connections.
How does mindfulness-based stress reduction (mbsr) impact PhD students on measures of mindfulness?
5 answers
Mindfulness-Based Stress Reduction (MBSR) has shown positive impacts on mindfulness measures among various populations, including PhD students. Research indicates that MBSR interventions lead to increased mindfulness levels. Specifically, MBSR has been associated with improvements in self-compassion, mood disturbance, stress levels, and overall well-being among participants, including novice and regular meditators. Moreover, the effects of MBSR on stress management and self-regulation have been highlighted, emphasizing the importance of mindfulness interventions tailored for students, such as the Mindfulness-Based Student Training (MBST) program. These findings suggest that MBSR can be a beneficial tool for enhancing mindfulness and well-being among PhD students, offering a potential avenue for stress reduction and improved mental health.
How does the result of emotion estimation using eeg and hrv visualize?
5 answers
The results of emotion estimation using EEG and HRV can be visualized through various methods such as constructing emotion classification models based on physiological data. These models can accurately classify emotions in real-time by utilizing features selected from EEG and PPG sensors, achieving high accuracies of 90% to 99%. Another approach involves utilizing CNNs to generate emotion discrimination models based on vital data represented as image data, enabling estimation of the user's emotions in time series through heartbeat data. Additionally, deep learning models like AlexNet, VGG-16, and Inception-v3 can be employed to classify emotions from EEG signals, with Inception-v3 showing the highest accuracy of 97.68% in distinguishing between positive and negative emotional states. These visualization methods provide insights into users' emotional states for applications like mental health monitoring and care.
Research hypothesis about stress reduction and sleep quality?
5 answers
The research hypothesis regarding stress reduction and sleep quality is that interventions targeting stress reduction can lead to improvements in sleep quality. Studies have shown that stress levels, coping strategies, and sleep quality are interconnected. For instance, wearable devices measuring heart rate variability can detect stress responses influenced by sleep quality, potentially preventing adverse events. Additionally, mindfulness-based stress reduction (MBSR) has been found to enhance sleep quality in patients with alcohol use disorder, indicating the positive impact of stress reduction techniques on sleep. Furthermore, natural plant-based supplements like lemon verbena extract have shown promising results in reducing stress levels and enhancing sleep quality. Therefore, the hypothesis suggests that reducing stress through various interventions can positively impact sleep quality.
What are the technical limitations of microelectrode recording (MER) in studying peripheral nerves?
6 answers
The technical limitations of microelectrode recording (MER) in studying peripheral nerves are multifaceted, stemming from challenges in electrode design, signal acquisition, and the biological interface. One primary limitation is the difficulty in achieving high spatial resolution and a high signal-to-noise ratio (SNR), which are crucial for detailed understanding of neural function and for the development of diagnostic and therapeutic strategies. Additionally, the physical size and rigidity of conventional electrodes and their positioning systems have limited scalability and have made intracellular recordings from single neurons both in vitro and in vivo cumbersome and highly skill-dependent. The insertion and positioning of microelectrodes can cause tissue damage, which not only affects the health of the surrounding tissue but also impacts the quality and reliability of the recordings. This issue is compounded by the challenges in interpreting data due to controversies in sensor calibration and the simultaneous detection of multiple analytes. Moreover, the chronic reliability of electrodes implanted in peripheral nerves is limited, with structural weaknesses leading to electrode failure over time. Another significant limitation is the presence of stimulus artifacts during intraoperative nerve action potential recording, which can contaminate or mask the neural signals, thus impairing the interpretation of the recordings. Additionally, the lack of a clear surrogate marker for spontaneous pain in neuropathic pain studies highlights the difficulty in recording abnormalities in single nociceptors. The use of microelectrodes with low impedance amplifiers can lead to severe signal attenuation and variability, further complicating clinical interpretations. Lastly, while microelectrode arrays (MEAs) have been developed to record action potentials from cultured cells, their reliance on expensive substrates manufactured for reuse poses a limitation on their widespread application. These technical limitations underscore the need for continued innovation in microelectrode design, signal processing, and methods to minimize tissue damage and improve the reliability and interpretability of neural recordings from peripheral nerves.
As women's self-control increases, does their emotional intelligence change?
5 answers
As women's self-control increases, their emotional intelligence may indeed change. Research suggests that emotional intelligence training can effectively enhance self-adjustment in female students. Additionally, trait self-control (TSC) positively correlates with affective well-being and life satisfaction, indicating a potential link between self-control and emotional well-being in women. Furthermore, exercising self-control has been shown to increase positive emotional reactivity, independent of extroversion, which implies a potential impact on emotional responses in women. High trait self-control has been associated with stable emotional patterns and lower heart rates, indicating a potential influence on emotional regulation and physiological responses in women. Therefore, as women's self-control increases, there is a likelihood of changes in their emotional intelligence, affecting their emotional well-being and responses.
What is the temporal extent of ‘short and long-term’ effects in time series analysis?
4 answers
The temporal extent of 'short and long-term' effects in time series analysis varies based on the specific context. In the study of stock markets, short-term effects are characterized by time scales ranging from a few days to 3 months, with a Hurst exponent (H) around 0.5, while long-term effects manifest for time scales of 5 months or more with H values above 0.75. Similarly, in earthquake time series analysis, a stochastic model with memory effects reveals distinct power-law regimes for short and long waiting times, indicating short-term and long-term clustering effects and memory in seismicity evolution. These findings emphasize the importance of considering different time scales when analyzing time series data in various fields.
Why do athletes and coaches like to use massage to reduce fatigue and stress?
5 answers
Athletes and coaches favor using massage to alleviate fatigue and stress due to its multifaceted benefits. Research indicates that massages can positively impact muscle force and strength, reduce pain, delay muscle soreness, and enhance recovery. Additionally, massages have been shown to decrease depression, stress, anxiety, and fatigue perception while increasing mood, relaxation, and recovery perception. Studies have demonstrated that both sports massage and active recovery interventions significantly reduce heart rate and perceived exertion, with sports massage particularly excelling in reducing perceived exertion. Furthermore, electric auto-massage therapy and proprioceptive neuromuscular facilitated stretching have been found to effectively relieve exercise fatigue by regulating physiological responses and accelerating metabolite excretion. These findings collectively support the use of massage as a valuable tool in managing fatigue and stress among athletes and coaches.
What is the relationship between anxiety symptoms and well-being in young adults?
5 answers
The relationship between anxiety symptoms and well-being in young adults is complex and multifaceted. Research suggests that anxiety symptoms are associated with decreased psychological well-being, including symptoms of depression, stress, and poor sleep quality. Additionally, the COVID-19 pandemic has introduced novel stressors that have direct and time-varying associations with mental health and well-being in young adults, particularly social/relational stressors. Furthermore, individuals with anxiety disorders may experience a reduction in quality of life due to symptoms such as fear and exaggerated damage in various aspects of their lives. Overall, the presence of anxiety symptoms in young adults can lead to decreased well-being, affecting various domains of mental health, social functioning, and overall quality of life.
Has the research gap of emotional intelligence been inconsistent solved?
5 answers
The research gap in emotional intelligence assessment has been addressed through innovative methods. While traditional subjective reports were vulnerable to response distortion, recent studies have proposed novel approaches. These include utilizing physiological responses like heart rate variability (HRV) to objectively assess emotional intelligence. Additionally, advancements in emotional intelligence models have led to the development of tools for construct assessment, considering emotional intelligence from both ability and mixed model perspectives. Moreover, efforts have been made to reduce labeling efforts in emotion recognition through multi-task cooperative learning frameworks, enhancing the accuracy of machine learning models for emotion classification and estimation. Overall, these developments signify progress in bridging the research gap and improving the validity of emotional intelligence assessment methods.