2023
DOI: 10.1016/j.brs.2023.06.010
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Short-term transcutaneous vagus nerve stimulation increases pupil size but does not affect EEG alpha power: A replication of Sharon et al. (2021, Journal of Neuroscience)

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Cited by 10 publications
(21 citation statements)
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“…This may have had the unintended consequence of producing a higher perceived intensity of Active stimulation as compared to Sham, thus driving a larger orienting or somatosensory effect under Active stimulation. However, in recent studies, independently established Sham intensity was typically higher than in Active mode, still leading to the same direction of the effect as found here (Lloyd et al, 2023; Sharon et al, 2021). In addition, dose-dependent effects of intensity were found to be stronger for Active stimulation mode than for Sham (D’Agostini et al, 2023).…”
Section: Discussionsupporting
confidence: 85%
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“…This may have had the unintended consequence of producing a higher perceived intensity of Active stimulation as compared to Sham, thus driving a larger orienting or somatosensory effect under Active stimulation. However, in recent studies, independently established Sham intensity was typically higher than in Active mode, still leading to the same direction of the effect as found here (Lloyd et al, 2023; Sharon et al, 2021). In addition, dose-dependent effects of intensity were found to be stronger for Active stimulation mode than for Sham (D’Agostini et al, 2023).…”
Section: Discussionsupporting
confidence: 85%
“…We successfully maintained the same intensity under Active stimulation in both the phasic and tonic conditions in 35 2A).…”
Section: Intensity Controlmentioning
confidence: 94%
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“…These studies, summarized in Table 1, have targeted three regions of the external ear known to receive vagal innervation: the concha, tragus, and external acoustic meatus (EAM; Butt et al, 2020). Thirteen of the 16 published studies targeted the concha with 200–300μs taVNS pulses delivered at 25–30 Hz (Borges et al, 2021; Burger, Van der Does, et al, 2020; D’Agostini et al, 2021, 2022, 2023; Keute et al, 2019; Lloyd et al, 2023; McHaney et al, 2023; Sharon et al, 2021; Skora et al, 2024; Urbin et al, 2021; Warren et al, 2019; Wienke et al, 2023). Of these studies, two also tested parameters that deviated from these ranges: Urbin et al (2021) included 300 Hz taVNS and D’Agostini et al (2023) included a 400 µs pulse-width condition.…”
Section: Introductionmentioning
confidence: 99%