It didn't work very well on the schizophrenics, but it was pretty clear in the '30s and by the middle of the '40s that electroconvulsive therapy was very, very effective in the treatment of depression.
Det fungerede ikke særligt godt på de skizofrene, men det stod rimeligt klart i 30rne og i midten af 40rne, at elektrisk krampe-terapi var meget, meget effektivt til behandling af depression.