Absence of speech is the inability to implement an oral statement, due to a low level of speech development or the breakdown of speech. This condition is characteristic of infancy, as well as a number of pathologies: motor alalia, ZRR, severe dysarthria, aphasia, mutism, deaf-mutism. The diagnostic complex includes speech therapy and psychological examination, EFI methods (electroencephalography, auditory EP), neuroimaging (MRI of cerebral structures). Therapeutic tactics is aimed at stimulating speech activity, combines pedagogical tools, drug therapy, psychocorrection, physiotherapy.