Wordnet 3.0
NOUN (2)
1. 
 the interrelation of conscious and unconscious processes and emotions that determine personality and motivation; 
2. 
 the branch of social psychology that deals with the processes and emotions that determine psychology and motivation; 
WordNet (r) 3.0 (2006):
psychodynamics
    n 1: the interrelation of conscious and unconscious processes
         and emotions that determine personality and motivation
    2: the branch of social psychology that deals with the processes
       and emotions that determine psychology and motivation