any depressive disorder, which is, any mood disorder marked by at least one major depressive episode or an extended time frame of depressive indicators with no past occurrences of manic or hypomanic indicators or combined episodes.

UNIPOLAR DEPRESSION: "The patient has been diagnosed with unipolar depression."
Cite this page: N., Pam M.S., "UNIPOLAR DEPRESSION," in PsychologyDictionary.org, April 29, 2013, https://psychologydictionary.org/unipolar-depression/ (accessed September 27, 2021).