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The autonomic nervous system (ANS) and the immune system are deeply interrelated. The ANS regulates both innate and adaptive immunity through the sympathetic and parasympathetic branches, and an imbalance in this system can determine an altered inflammatory response as typically observed in chronic conditions such as systemic autoimmune diseases. Rheumatoid arthritis, systemic lupus erythematosus, and systemic sclerosis all show a dysfunction of the ANS that is mutually related to the increase in inflammation and cardiovascular risk. Moreover, an interaction between ANS and the gut microbiota has direct effects on inflammation homeostasis. Recently vagal stimulation techniques have emerged as an unprecedented possibility to reduce ANS dysfunction, especially in chronic diseases characterized by pain and a decreased quality of life as well as in chronic inflammation.
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http://dx.doi.org/10.3390/ijms23052449 | DOI Listing |
J R Soc Interface
September 2025
ENES Bioacoustics Research Lab, CRNL, CNRS, Inserm, University of Saint-Etienne, Saint-Etienne, France.
Getting caregivers to respond to their pain cries is vital for the human baby. Previous studies have shown that certain features of baby cries-the nonlinear phenomena (NLP)-enable caregivers to assess the pain felt by the baby. However, the extent to which these NLP mobilize the autonomic nervous system of an adult listener remains unexplored.
View Article and Find Full Text PDFActa Psychol (Amst)
September 2025
Faculty of Psychology, University of Vienna, Liebiggasse 5, 1010, Vienna, Austria.
When under stress, individuals often make suboptimal decisions due to altered decision-making strategies. These alterations may be particularly costly in high-risk scenarios, yet the precise relationship between acute stress and risk-taking behavior remains unclear. In the present pilot study, using a quasi-experimental design, we examined whether an experimentally induced psychosocial stressor would elevate RTB under competitive conditions.
View Article and Find Full Text PDFEur J Neurosci
September 2025
Department of Neuroanatomy, Yokohama City University School of Medicine, Yokohama, Japan.
Pelvic visceromotor functions such as micturition are regulated by coordinated autonomic and somatic motor pathways from the central nervous system. The parasympathetic system induces detrusor muscle contraction while the somatic system facilitates relaxation of the external urethral sphincter, ensuring synchronized and efficient bladder emptying during the voiding process. This study explores the relationship between Barrington's nucleus corticotropin-releasing hormone (CRH)-ergic projections and the formation of perineural nets (PNNs) among spinal motoneurons, particularly parasympathetic preganglionic neurons in the intermediolateral nucleus (IML) and Onuf's nucleus during the maturation of the neural circuitry controlling pelvic visceromotor functions.
View Article and Find Full Text PDFPLoS One
September 2025
Faculty of Psychology, Mental Health Research and Treatment Center, Ruhr University Bochum, Bochum, Germany.
Background: Eating disorders such as Anorexia Nervosa (AN) and Bulimia Nervosa (BN) were previously found to partly entail alterations in stress physiology including salivary cortisol (sC), and salivary alpha amylase (sAA) at rest and basal vagal tone (HF-HRV), compared to individuals without mental disorders or with mixed mental disorders (anxiety and depressive disorders), but corresponding data remain scarce and are not entirely consistent.
Method: HF-HRV, sC and sAA at rest were assessed in a female sample of 58 individuals with AN and 54 individuals with BN before and after psychotherapy and contrasted against measurements from 59 female individuals suffering from mixed disorders and 101female healthy controls.
Results: Values for sC were elevated in AN compared to all other groups, those for HF-HRV were highest in both AN and BN and lowest in mixed mental disorders and no differences were found at rest for sAA.
J Integr Neurosci
August 2025
Department of Neurology, Mayo Clinic, Rochester, MN 559005, USA.
Autonomic medicine is a rapidly evolving field focused on understanding diseases and processes that affect the autonomic nervous system (ANS). The ANS regulates essential involuntary physiologic processes such as heart rate, blood pressure, and digestion. This review introduces the key anatomical structures, physiological mechanisms, and biochemical processes underlying autonomic function.
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