[An impact of the COVID-19 pandemia on the onset and course of mental disorders in elderly].

The age-related features of the mental consequences of COVID-19 are the occurrence of APS in the acute period of infection and the deterioration of cognitive activity at a remote stage. The mentally ill, especially those of the organic and schizophrenia spectrum, were found to be more vulnerable to the effects of COVID-19. In them, the occurrence of APS was a risk factor for the development of dementia, while in primary diseased, affective and neurotic patients, CI was reversible or had the character of a mild cognitive disorder.