 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.Nekipelov describes inhumane uses of medical procedures such as lumbar punctures.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.