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Bipolar disorder is different from depression, but it is included in this list is because someone with bipolar disorder experiences episodes of extremely low moods that meet the criteria for major depression (called “bipolar depression”). Winter depression, typically accompanied by social withdrawal, increased sleep, and weight gain, predictably returns every year in seasonal affective disorder. This depression generally lifts during spring and summer. Seasonal affective disorderis characterized by the onset of depression during the winter months, when there is less natural sunlight.
The psychotic symptoms typically have a depressive “theme,” such as delusions of guilt, poverty, or illness.
Psychotic depression occurs when a person has severe depression plus some form of psychosis, such as having disturbing false fixed beliefs (delusions) or hearing or seeing upsetting things that others cannot hear or see (hallucinations). The feelings of extreme sadness, anxiety, and exhaustion that accompany postpartum depression may make it difficult for these new mothers to complete daily care activities for themselves and/or for their babies. Women with postpartum depression experience full-blown major depression during pregnancy or after delivery (postpartum depression). Postpartum depressionis much more serious than the “baby blues” (relatively mild depressive and anxiety symptoms that typically clear within two weeks after delivery) that many women experience after giving birth. A person diagnosed with persistent depressive disorder may have episodes of major depression along with periods of less severe symptoms, but symptoms must last for two years to be considered persistent depressive disorder. Persistent depressive disorder (also called dysthymia) is a depressed mood that lasts for at least two years. Some forms of depression are slightly different, or they may develop under unique circumstances, such as: To be diagnosed with depression, the symptoms must be present for at least two weeks. It causes severe symptoms that affect how you feel, think, and handle daily activities, such as sleeping, eating, or working. Research Training and Career Development Opportunitiesĭepression (major depressive disorder or clinical depression) is a common but serious mood disorder.
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