A total of 200 persons victims of the Chernobyl accident presenting with different exogenous organic depressions were examined. Radiation exposure did not exceed medium levels. The pattern of depressive syndrome of exogenous organic genesis was studied as was the incidence of its varieties. The article contains a description of different varieties of depression and sums up studies on premorbid and neurological status and additional research methods together with studies on suicidal intentions and disposition to alcoholization in the studied groups.
