How Many TMS Treatments Are Needed? Learn how TMS treatments can alleviate symptoms of neurological and mental health conditions. Article Contents Understanding TMS Transcranial magnetic stimulation (TMS) is a therapy that stimulates the brain. TMS is non-invasive and uses electromagnetic pulses to stimulate nerve impulses. The goal of TMS is to improve symptoms linked to certain neurological and mental health conditions. TMS is often used primarily as a depression treatment; nonetheless, It has proven successful in helping those whose symptoms did not respond to