No, there is no unified theory in psychology. The current state of psychology has the following attempts at unification: Combine different concepts given by different authors, eliminate unhelpful ideas from theories, merge small theories and computational models, map brain and behavior, conduct large-scale "connectome" mappings, equate neural processes with concepts and constructs in psychology, and develop better tools to operationally examine testable ideas. We are far from a unified theory that accounts for all measurable features of psychology.