The article summarizes the current theoretical and empirically obtained data of the world scientific community on the role of coronavirus infection in the development of mental disorders, such as: psychosis, agitation, delirium. An overview of the correlation of neurological symptoms with the severity of the 2019 coronavirus disease COVID-19 caused by severe acute respiratory syndrome SARS-CoV-2 is given. The question of the importance of early diagnosis of neurocognitive disorders in patients with COVID-19 is raised.