What Rejali says echoes Robert Jay Lifton's writing on "atrocity-producing situations." Torture doesn't just affect society down the road, but changes those involved immediately. Performing a behavior for the first time creates a new circuit in one's brain, and repeating the behavior reinforces the circuit, so that it's more easily activated in the future. When we torture we start to become torturers, not just in a tautological but in a neural sense.
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