Depression - WikiHQ

Depression may refer to:

Mental health

Depression (mood), a state of low mood and aversion to activity
Mood disorders characterized by depression are commonly referred to as simply depression, including:
Major depressive disorder, also known as clinical depression
Bipolar disorder, also known as manic depression
Dysthymia, also known as persistent depressive disorder
Psychotic depression, depressive episode that is accompanied by psychotic symptoms
Seasonal affective disorder, also known as seasonal depression
Atypical depression, characterized by improved mood in response to positive events
Long-term depression, reduction of neuronal synapse efficacy

Economic depression, a sustained, long-term downturn in economic activity in one or more economies
Great Depression, a severe economic depression during the 1930s, commonly referred to as simply the Depression
Long Depression, an economic depression during 1873–96, known at the time as the Great Depression

Depression (kinesiology), an anatomical term of motion, refers to downward movement, the opposite of elevation
Depression (physiology), a reduction in a biological variable or the function of an organ
Central nervous system depression, physiological depression of the central nervous system that can result in loss of consciousness

Depression (geology), a landform sunken or depressed below the surrounding area
Depression (weather), an area of low atmospheric pressure characterized by rain and unstable weather