I can recall when shock therapy was used for the severely organically depressed–sort of like a reset. Asserted to be beneficial, predated anti depressants.
However, the relapse rates were high.
Here’s a discussion of recent uses of electrical/magnetic neuro therapies.
Of course the placebo effect is in play and controlled studies are hard to do for evaluating benefit.
Pills, counseling, electricity–psych therapy still looking.