TAMCHYNA, M. Personality Depravation in Forensic Psychology. Dissertation. Charles University in Prague, Faculty of Arts, Department of Psychology Advisor - PhDr. Miluše Urbanová, CSc. Co-advisor - PhDr. Alena Marešová, Ph.D. Abstract: The dissertation addresses the issue of negative personality changes understood as personality depravation. The introduction discusses their increase in normally socialized (non- criminal) population and states the need for a solution of this problem. The term depravation, which is taken from clinical practice, is analyzed from a theoretical perspective in the first part of this work. This research also builds upon empirical surveys of personality of groups of juvenile and adult convicts and non-delinquent control groups, which are described in the second part. Long- term empirical surveys repeated every decade (1979 - 2013) focus on personality depravation and are based on comparative analysis of standardized and quantified data - sociodemographic data, analyses of criminal activity, personality assessments using a standardized inventory of tests designed to ascertain personality depravation, and case histories of delinquents (n=1660). Generalizations of the findings are used to capture trends of personality change in convicts. The third part of this work describes the...