How 'Brainwave-Balancing' Therapy Could Ease Migraines

A new type of therapy that uses sound waves to "balance" people's brain activity might help lower blood pressure and reduce symptoms of migraines, early research suggests. The therapy is known as HIRREM, which stands for high-resolution, relational, resonance-based, electroencephalic mirroring. For the treatment, patients place sensors — which measure the brain's electrical activity, or brainwaves — on their scalp.