Modern electroconvulsive therapy (ECT) is not like the shock treatments depiected in old movies. Patients receive medications to relax and sedate them before treatment begins, and many patients with depression find that ECT is a faster and more effective treatment than medication. Photo Researchers, Inc.
Exposed: Horse Killed at Cowtown Rodeo was Electro-Shocked. On June 29, 2013, a horse began to die 25 seconds after being electro-shocked at the Cowtown Rodeo in Pilesgrove, NJ. This video exposes the electro-shocking and brutal treatment of the horse once he fell to the ground.
One of the main questions raised by the Suicide Squad trailer is: who was the Joker torturing? It certainly looks like it was Harley. And those were almost definitely electro-shock paddles that attach to your temples that the Joker was holding.