Name it:
THIS THERAPY is a medical procedure in which a small, carefully controlled amount of electric current is passed through the brain to treat symptoms associated with certain mental disorders. The electric current produces a convulsion for the relief of symptoms associated with such mental illnesses as major depressive disorder, bipolar disorder, acute psychosis, and catatonia .
Answer in comments. Details at the EMD, source of the text.

That’s…Electroconvulsive Therapy (ECT)!
Electric shock therapy