Об­ра­зуй­те от слова PSYCHOLOGY од­но­ко­рен­ное слово так, чтобы оно грам­ма­ти­че­ски и лек­си­че­ски со­от­вет­ство­ва­ло со­дер­жа­нию тек­ста.

Instead he developed "a realist" style of painting. His works often revealed great ______ depth and exposed tensions within the existing social and political order. In his old age he was celebrated within the USSR.