2022
DOI: 10.3389/fpsyg.2022.1003411
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Cognitive function and brain activation before and after transcutaneous cervical vagus nerve stimulation in healthy adults: A concurrent tcVNS-fMRI study

Abstract: Transcutaneous vagus nerve stimulation, which involves the application of electrical currents to the cervical (tcVNS) or auricular (taVNS) branches of the vagus nerve, may be a potential treatment for improving cognitive dysfunction. taVNS may improve cognitive performance in healthy adults, and fewer studies have been performed on the effects of tcVNS on cognition in healthy subjects. We conducted a randomized, single-blind, crossover-controlled trial to investigate the effects of tcVNS stimulation on cogniti… Show more

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Cited by 8 publications
(6 citation statements)
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“…However, VNS is a passive technique and it does not require active performance by the patients. Similarly, it has also been reported to help improve cognitive function 53,54 . Therefore, VNS can be used for patients with stroke who have severe impairment in motor and cognitive function.…”
Section: Discussionmentioning
confidence: 91%
“…However, VNS is a passive technique and it does not require active performance by the patients. Similarly, it has also been reported to help improve cognitive function 53,54 . Therefore, VNS can be used for patients with stroke who have severe impairment in motor and cognitive function.…”
Section: Discussionmentioning
confidence: 91%
“…Previous tVNS studies in humans used a variety of stimulation parameters to assess tcVNS and taVNS effects 26 . tcVNS studies on cognitive performance 70 , 71 and physiological markers 72 74 typically delivered a sequence five sinusoidal pulses (pulse width: 200 μs/phase; 1 ms total) at 25 Hz to the cervical branch of the vagus nerve for up to 5 min. In the present study, we delivered either single biphasic pulses (pulse width: 200 μs) or a sequence of three biphasic pulses (pulse width: 600 μs) at 30 Hz.…”
Section: Discussionmentioning
confidence: 99%
“…Previous tVNS studies in humans used a variety of stimulation parameters to assess tcVNS and taVNS effects 26 . tcVNS studies on cognitive performance 70,71 and physiological markers [72][73][74] typically delivered a sequence five sinusoidal pulses (pulse width: 200 μs/phase; 1 ms total) at 25 Hz to the cervical branch of the vagus nerve for up to 5 minutes. In the present study, we delivered either single biphasic pulses (pulse width: 200 μs) or a sequence of three biphasic pulses (pulse width: 600 μs) at 30 Hz.…”
Section: Discussionmentioning
confidence: 99%