The 1-week durational requirement was eliminated in DSM III-R and then reinstated, in part, in DSM-IV, to distinguish mania from hypomania (added ... and colleagues, [5] who reported that 1% ...
still rely on the DSM-IV criteria for identifying episodes as major depressive, manic, mixed, or hypomanic. And while the DSM-IV is an extremely familiar and useful manual, there have been ...