Electric currents refer to the flow of electric charge through a medium or substance. In psychology, it is often used in certain treatment methods to stimulate or modulate brain activity.
ECT is a treatment method that involves administering controlled electric shocks to induce seizures in order to alleviate symptoms of severe depression or other mental illnesses.
DBS involves implanting electrodes into specific regions deep within the brain and delivering electrical impulses through these electrodes for treating neurological and psychiatric disorders.