​ Conditions: Mild Cognitive Impairment (MCI); Parkinsons Disease (PD); Healthy Adult

Interventions: Device: transcutaneous auricular vagus nerve stimulation; Device: sham stimulation

Sponsors: University of Colorado, Denver

Recruiting Conditions: Mild Cognitive Impairment (MCI); Parkinsons Disease (PD); Healthy Adult
Interventions: Device: transcutaneous auricular vagus nerve stimulation; Device: sham stimulation
Sponsors: University of Colorado, Denver
Recruiting