Depression and depressive disorders (unipolar depression) are mental illnesses characterized by a profound and persistent feeling of sadness or despair and/or a loss of interest in things that once were pleasurable.
Tricyclic antidepressants used to treat unipolar depression may trigger rapid cycling in bipolar patients and are, therefore, not a preferred treatment option for bipolar depression.
Cassano, Giovanni B., et al. "The Mood Spectrum in Unipolar and Bipolar Disorder: Arguments for a Unitary Approach."
Electroconvulsive therapy (ECT) has a high success rate for treating both unipolar and bipolar depression and mania.
In classifying and diagnosing mood disorders, doctors determine if the mood disorder is unipolar or bipolar.
When only one extreme in mood (the depressed state) is experienced, this condition is called unipolar.
Bipolar depression may be difficult to distinguish from a unipolar major depressive episode.
Women are more vulnerable to unipolar depression than are men.
We may regard it as a form of unipolar immigration in which the immigrating cells pass into the interior in a connected epithelial layer, instead of going in singly and independently.
When the blastula is oval and freeswimming the inner mass is formed by unipolar immigration from the hinder pole.