tVNS Responsiveness Testing With Pupil Size

NARecruitingINTERVENTIONAL
Enrollment

21

Participants

Timeline

Start Date

November 14, 2024

Primary Completion Date

October 31, 2025

Study Completion Date

December 31, 2025

Conditions
Stroke
Interventions
PROCEDURE

Unilateral Left tVNS stimulation

Electrical stimulation to the cymba concha or tragus (depending on the ear dimension) of the outer ear on the left side after successful trials.

PROCEDURE

Bilateral tVNS stimulation

Electrical stimulation to the cymba concha or tragus (depending on the ear dimension) of the outer ear on both sides after successful trials.

PROCEDURE

Unilateral Left Sham stimulation

Electrical stimulation to the earlobe of the outer ear on the left side after successful trials.

PROCEDURE

Bilateral Sham stimulation

Electrical stimulation to the earlobe of the outer ear on both sides after successful trials.

PROCEDURE

Unilateral Right tVNS stimulation

Electrical stimulation to the cymba concha or tragus (depending on the ear dimension) of the outer ear on the right side after successful trials.

PROCEDURE

Unilateral Right Sham stimulation

Electrical stimulation to the earlobe of the outer ear on the right side after successful trials.

Trial Locations (1)

30318

RECRUITING

Human Neuromuscular Physiology Lab, Atlanta

All Listed Sponsors
collaborator

Emory University

OTHER

collaborator

Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)

NIH

lead

Georgia Institute of Technology

OTHER