A 34-year-old man undergoes treatment in a psychiatry unit for exacerbation of his schizophrenia. Objectively, he stays in bed, his movements are inhibited, no contact. The patient does not respond to the questions. The position remains unchanged, the patient is hypomimic, such signs as puckering of the lips, waxy flexibility, “psychological pillow” are present. The patient has been remaining in this condition for a week. He is being fed parenterally. What psychomotor disorder is it?