Perseveration is a persistent compulsive repetition of a mental, emotional or motor act. Perseverative thinking is characterized by constantly pondering one idea without developing it. Emotional perseverations are realized by “getting stuck” on the experience of a certain emotion. Perseverative motor skills - repetitive reproduction of one movement, a motor complex. With speech perseverations, involuntary repetition of a word or phrase is observed. Clinical methods, neuropsychological tests are used for diagnosis. Symptomatic care includes psychocorrection, psychotherapy, medication.