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Depression can have multiple, sometimes overlapping, origins. Depression can be a symptom of some mood disorders, some of which are also commonly called depression, such as major depressive disorder, bipolar disorder and dysthymia. [7] Additionally, depression can be a normal temporary reaction to life events, such as the loss of a loved one.
The essential symptom involves the individual feeling depressed for the majority of days, and parts of the day, for at least two years. Low energy, disturbances in sleep or in appetite, and low self-esteem typically contribute to the clinical picture as well. Those with the condition have often experienced dysthymia for many years before it is ...
Sadness is an emotional pain associated with, or characterized by, feelings of disadvantage, loss, despair, grief, helplessness, disappointment and sorrow.An individual experiencing sadness may become quiet or lethargic, and withdraw themselves from others.
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
Changing mood up and down without knowing the reason or external stimuli, [27] in various degrees, duration and frequent, from high mood (happy, elevated, irritated) to low mood (sad, depressed). [5] [28] Sometimes it's mixed, [29] a combination between manic and depression symptoms [30] or similar with bittersweet experiences that last for a ...
Anhedonia is a diverse array of deficits in hedonic function, including reduced motivation or ability to experience pleasure. [1] While earlier definitions emphasized the inability to experience pleasure, anhedonia is currently used by researchers to refer to reduced motivation, reduced anticipatory pleasure (wanting), reduced consummatory pleasure (liking), and deficits in reinforcement learning.
Physiognomy of the melancholic temperament (drawing by Thomas Holloway, c.1789, made for Johann Kaspar Lavater's Essays on Physiognomy). Melancholia or melancholy (from Greek: µέλαινα χολή melaina chole, [1] meaning black bile) [2] is a concept found throughout ancient, medieval, and premodern medicine in Europe that describes a condition characterized by markedly depressed mood ...
In the eastern Mediterranean region, it was unipolar major depression (12%) and schizophrenia (7%), and in Africa it was unipolar major depression (7%) and bipolar disorder (5%). [ 79 ] Suicide, which is often attributed to some underlying mental disorder, is a leading cause of death among teenagers and adults under 35.