How Schizophrenia Became a Black Disease Oppositional defiant disorder Sluggish cognitive tempo References Sources See also: Further reading Russian text: Political abuse of psychiatry in the Soviet Union Political repression in the Soviet Union Persecution of dissidents in the Soviet Union Psychiatric false diagnosis Pseudoscience Scientific speculation Schizophrenia Psychiatry controversies Social problems in medicine Unnecessary health care Mental health in the Soviet Union Soviet phraseology