Percutaneous Electrical Nerve Field Stimulation (PENFS) in Patients With Post Concussion Syndrome (PCS)

A novel, FDA approved for commercial use, cleared device that delivers field stimulation with alternating frequencies to the external ear

A novel, FDA approved for commercial use, cleared device that delivers field stimulation with alternating frequencies to the external ear. The sham device will not deliver field stimulation to the ear.

A novel, FDA approved for commercial use, cleared device that delivers field stimulation with alternating frequencies to the external ear