A biomedical treatment for severe depression in which a brief electrical current is sent through the brain of an anesthetized patient is

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The biomedical treatment for severe depression in which a brief electrical current is sent through the brain of an anesthetized patient is electroconvulsive therapy (ECT). A lobotomy involves surgically cutting the connections between the prefrontal cortex and other parts of the brain, and is no longer commonly used. The double-blind procedure is a research method used to reduce bias in experiments and is not a treatment for depression. rTMS (repetitive transcranial magnetic stimulation) is another brain stimulation technique, but it involves the use of magnetic fields, not electrical current, and is typically used for milder forms of depression.

A Biomedical Treatment for Severe Depression in Which a Brief