…He was leashed (a detail omitted in the log but recorded by investigators) and made to “stay, come, and bark to elevate his social status up to a dog.” He was told to bark like a happy dog at photographs of 9/11 victims and growl at pictures of terrorists. …The interrogators quizzed him on passages from a book entitled, “What makes a Terrorist and Why?,” that asserted that people joined terrorist groups for a sense of belonging and that terrorists must dehumanize their victims as a way to avoid feelings of guilt at their crimes.

–“Medical Ethics and the Interrogation of Guantanamo 063“; via Sean Collins. The descriptions of sleep deprivation and manipulation of temperature are also very much worth reading, since these are techniques people often minimize and defend.