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The effect of transcutaneous auricular vagus nerve stimulation on cardiovascular function in subarachnoid hemorrhage patients: A randomized trial.
Elife
January 2025
Department of Neurosurgery, Washington University School of Medicine, Springfield, United States.
Background: Subarachnoid hemorrhage (SAH) is characterized by intense central inflammation, leading to substantial post-hemorrhagic complications such as vasospasm and delayed cerebral ischemia. Given the anti-inflammatory effect of transcutaneous auricular vagus nerve stimulation (taVNS) and its ability to promote brain plasticity, taVNS has emerged as a promising therapeutic option for SAH patients. However, the effects of taVNS on cardiovascular dynamics in critically ill patients, like those with SAH, have not yet been investigated.
View Article and Find Full Text PDFThe impact of transcutaneous vagus nerve stimulation on anterior cingulate cortex activity in a cognitive control task.
Psychophysiology
January 2025
Biological Psychology Lab, Department of Psychology, School of Medicine and Health Sciences, Carl von Ossietzky University Oldenburg, Oldenburg, Germany.
Transcutaneous vagus nerve stimulation (tVNS) offers a non-invasive method to enhance noradrenergic neurotransmission in the human brain, thereby increasing cognitive control. Here, we investigate if changes in cognitive control induced by tVNS are mediated through locus coeruleus-induced modifications of neural activity in the anterior cingulate cortex. Young healthy participants engaged in a simple cognitive control task focusing on response inhibition and a more complex task that involved both response inhibition and working memory, inside a magnetic resonance imaging scanner.
View Article and Find Full Text PDFEfficacy of Auricular Therapy for Motor Impairment After Stroke: A Systematic Review and Meta-Analysis.
Int J Older People Nurs
January 2025
Department of Neurology, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou, China.
Background: A high number of stroke patients cannot recover fully from motor impairment despite early rehabilitation. Auricular therapies, usually given by acupuncture doctors or nurses, have been widely used among these post-stroke patients. Potential benefits of auricular therapies were shown in recent clinical trials.
View Article and Find Full Text PDFTranscutaneous Auricular Vagus Nerve Stimulation Does Not Accelerate Fear Extinction: A Randomized, Sham-Controlled Study.
Psychophysiology
January 2025
Research Group Health Psychology, KU Leuven, Leuven, Belgium.
Transcutaneous auricular vagus nerve stimulation (taVNS) has been tested as a strategy to facilitate fear extinction learning based on the hypothesis that taVNS increases central noradrenergic activity. Four studies out of six found taVNS to enhance extinction learning especially at the beginning of extinction. Facilitatory effects of taVNS were mainly observed in US expectancy, less in fear-potentiated startle (FPS), and not in the skin conductance response (SCR).
View Article and Find Full Text PDFEffect of Transcutaneous Auricular Vagus Nerve Stimulation in Chronic Low Back Pain: A Pilot Study.
J Clin Med
December 2024
EuroMov Digital Health in Motion, University of Montpellier, IMT Mines Ales, 34090 Montpellier, France.
: Chronic low back pain (CLBP) is a common condition with limited long-term treatment options. Vagus nerve stimulation (VNS) has shown potential for pain improvement, but its use in CLBP remains underexplored. Our aim was to evaluate the efficacy, feasibility and tolerability of transcutaneous auricular vagus nerve stimulation (taVNS) in reducing pain and improving functional outcomes in CLBP patients.
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