The article analyses sovereignty through the cognitive appraisal and control of identity boundaries of psychological space. In this case, sovereignty is revealed as a mental representation in an attribute analysis of cognitive models of identity boundaries and psychological space. The author researches the possibility to diagnose mental threshold of life space controllability through locus attributions of safety boundaries of identity; to manifest the mental conflict to balance the external and internal contextual aspects of the medium. The author distinguishes isolated markers in the evaluation and interpretation of the attribute space of life; verifies structure of sovereignty and its influence on the mode of temporal orientation as a strategy for the subjective regulation of time; comes up the features of sovereignty in adolescence which is bifurcation for its formation and differentiates between the structure of self-determination of teenagers who are brought up in families and orphanages.