Effects of different settings and stimulation modalities of transcutaneous auricular vagus nerve stimulation to the left cymba concha on somatosensory function of the finger

Effects of different settings and stimulation modalities of transcutaneous auricular vagus nerve stimulation to the left cymba concha on somatosensory function of the finger - Effects of different settings and stimulation modalities of transcutaneous auricular vagus nerve stimulation to the left cymba concha on somatosensory function of the finger

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000057524

Enrollment

Registered

2025-04-07

Start date

2025-04-15

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

healthy adults

Interventions

Experiment 1 taVNS stimulation period (stimulation time): 15 min Stimulation condition: 300 microsecond - below pain threshold The stimulation site: The left cymba conchae Experiment 1 taVNS st

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: We are looking for individuals who are interested in this research and are willing to participate voluntarily. We also invite students and graduate students enrolled in Niigata University of Health and Welfare to join us by e-mail.

Exclusion criteria

Exclusion criteria: Those with neurological or psychiatric diseases, those taking medication, and those with a history of external ear injury.

Design outcomes

Primary

Measure	Time frame
Two-point discrimination threshold Autonomic nerve activity	—

Countries

Japan

Contacts

Public ContactKako Tanabe

Graduate School, Niigata University of Health and Welfare Institute for Human Movement and Medical Sciences

hwd24002@nuhw.ac.jp025-257-4445

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026