There are 11 different personality disorders, according to the Diagnostic and Statistical Manual (DSM) - IV, considered The Bible of psychological diagnoses. The disorders can be grouped into several classes, or clusters, including the eccentric disorders (paranoia, schizotypal, and schizoid disorder), the dramatic disorders (borderline personality, Narcissism histrionic and antisocial disorders), and anious disorders (depressive, passive-aggressive, sadistic and self-defeating disorders).,