<unk>  <unk>  is a form of neurostimulation that delivers a small, pulsed, alternating current via electrodes on the head.<unk>  is used with the intention of treating a variety of conditions such as anxiety, depression and insomnia.<unk>  has been suggested as a possible treatment for headaches, fibromyalgia, smoking<unk> sation, and opiate withdrawal, but there is little evidence of effectiveness for many of these conditions and the evidence for use in acute depression is not sufficient to justify it.
Cranial electrotherapy stimulation
Electrical brain stimulation
Magnetic seizure therapy
Electric acoustic stimulation
Non-invasive cerebellar stimulation
Auditory brainstem implant
Transcranial random noise stimulation
Deep brain stimulation