Boundaries of Major Depression: An Evaluation of DSM-IV Criteria

Little is known about the boundaries between major depression and milder subsyndromal depressive states. With respect to depressive symptoms, does DSM-IV "carve nature at its joints"?In personally interviewed female twins from a population-based registry, the authors examined whether a range of values along three dimensions of the depressive syndrome assessed in the last year (number of symptoms listed in DSM-III-R under diagnostic criterion A...