Key words: depressive disorders, objective diagnosis of affective states Modern trends in development of instruments for objective diagnosis of aff ective disorders (review of literature LINSKA Kateryna, MARUTA Nataliya Pages: 110-115 Ukrains'kyi Visnyk Psykhonevrolohii 2018, Volume 26, issue 1 (94) Index UDK: 616.895.2/.4-072.8