Depression may refer to:

• Depression (emotion), or minor depression, an increasingly common term for a sad or low mood or the loss of pleasure during which time an individual remains capable of performing personal and vocational obligations in a generally satisfactory manner
• Major depression or clinical depression, or , a state of intense sadness, melancholia or despair that has advanced to the point of being disruptive to an individual's social functioning and/or activities of daily living. This category includes neurotic depressive reaction, psychotic depressive reaction and unipolar depression

Further types of depressionEdit

• Agitated depression
• Anaclitic depression - withdrawal syndrome in infants seperated from their mothers*
• Dysthymic disorder
• Endogenous depression
• Involutional depression
• Involutional depression depression in the elderly aka involutional melancholia
• Psychotic depression
• Reactive depression
• Treatment resistant depression - aka recurrent depression a depression not responding to typical modes of treatment

• Depressive Disorder Not Otherwise Specified

Further termsEdit

• Dysphoria
• Melancholia

• Depression (physiology), a lowering, in particular a reduction in a particular biological variable or the function of an organ, contrasted to elevation
• Depression (kinesiology), an anatomical term of motion
• Suicide and depression-Genetics