Ask Dr. Armstrong: How do neuromodulation devices prevent migraine attacks?

Neuromodulation devices are noninvasive devices worn on the body that can help prevent migraine attacks.

· Cefaly: A device placed on the forehead that emits electrical impulses to stimulate branches of the trigeminal nerve.

· gammaCore: A handheld device that’s applied to the neck and uses electrical stimulation to prevent and treat migraines.

· Nerivio: A wireless remote electrical neuromodulation device worn on the upper arm.