Deficits in affiliative reward: an endophenotype for psychiatric disorders?

depue & morrone-strupinsky's (d&m-s's) model of affiliation meets the criteria advanced for the definition of behavior systems and endophenotypes. we argue that its application in psychiatry could be useful for identifying a biological pathophysiology common to a variety of conditions that are currently classified in very different categories of psychiatric nosography, including autism, schizoid personality, primary psychopathy, and dismissing attachment