[5] The official Soviet psychiatric science came up with the definition of sluggish schizophrenia, a special form of the illness that supposedly affects only the person's social behavior, with no trace on other traits: "most frequently, ideas about a struggle for truth and justice are formed by personalities with a paranoid structure," according to the Moscow Serbsky Institute professors (a quote [6] from Vladimir Bukovsky's archives).
Some of them had high rank in the MVD, such as the infamous Daniil Luntz, who was characterized by Viktor Nekipelov as "no better than the criminal doctors who performed inhuman experiments on the prisoners in Nazi concentration camps".
[6] The sane individuals who were diagnosed as mentally ill were sent either to a regular psychiatric hospitals or, those deemed particularly dangerous, to special ones, run directly by the MVD.
The treatment included various forms of restraint, electric shocks, a range of drugs (such as narcotics, tranquilizers, and insulin) that cause long-lasting side effects, and sometimes involved beatings.
Notable political prisoners of psikhushkas include poet Joseph Brodsky, dissidents Leonid Plyushch, Vladimir Bukovsky, Natalya Gorbanevskaya, Alexander Esenin-Volpin, Pyotr Grigorenko, Zhores Medvedev, Viktor Nekipelov, Valeriya Novodvorskaya, Natan Sharansky, Andrei Sinyavsky, and Anatoly Koryagin, politician Konstantin Päts, and whistle blower Larisa Arap.