The goal of this clinical trial is to learn about brain waves during transauricular vagus nerve stimulation (taVNS) in healthy children. The main questions it aims to answer are: * What is the safety, tolerability, and physiological response of taVNS in children? * Does the electroencephalogram (EEG) change during taVNS? Participants will * undergo a brief titration session where taVNS will be titrated to below perceptual threshold * receive one session of 30 minutes of taVNS * undergo clinical EEG monitoring during taVNS * Continuous cardiorespiratory monitoring via pulse oximetry and blood pressure every 5 minutes * Answer tolerability questions before, during and after 30 minute taVNS session
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Safety: Heart rate
Timeframe: Baseline and continuously for 30 minutes during study visit. It will be recorded and assessed every 5 minutes during 30 minute study visit.
Safety: Oxygen saturation
Timeframe: Baseline and continuously for 30 minutes during study visit. It will be recorded and assessed every 5 minutes during 30 minute study visit.
Tolerability: Face, Legs, Activity, Cry, Consolability (FLACC)
Timeframe: Baseline prior to stimulation, 15 minutes into the stimulation and immediately following the 30 minute stimulation.
Tolerability: Tolerance Questionnaire
Timeframe: Baseline prior to stimulation, 15 minutes into the stimulation and immediately following the 30 minute stimulation.