Synaptic Plasticity in the Epicardial Ganglionated Plexi

Stimulation will be done under anesthesia for 30 minutes. Stimulation parameters include a pulse width of 200 μs, amplitude of 20 mA and a pulse frequency of 20 Hz. The Parasym devise (Parasym Health, London, UK) will be used for stimulation. The device will be connected to a clip electrode that will be attached to the external ear. In the active group, the ear clip electrode will be attached to tragus in the active stimulation group. This device has been deemed non-significant risk by the FDA. In the control group, no stimulation will be done.

Sham stimulation