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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
The term depression was derived from the Latin verb deprimere, "to press down". [80] From the 14th century, "to depress" meant to subjugate or to bring down in spirits. It was used in 1665 in English author Richard Baker's Chronicle to refer to someone having "a great depression of spirit", and by English author Samuel Johnson in a similar ...
This article needs to be updated. The reason given is: Many outdated sources and information (older than five years). Please help update this article to reflect recent events or newly available information. (July 2024) Medical condition Major depressive disorder Other names Clinical depression, major depression, unipolar depression, unipolar disorder, recurrent depression Sorrowing Old Man (At ...
In modern times, depression, more often severe cases, is more noted as an absence of pleasure, with feelings of emptiness and flatness. [4] In the United States and Canada, the costs associated with major depression are comparable to those related to heart disease, diabetes, and back problems and are greater than the costs of hypertension. [5]
Dysthymia (/ d ɪ s ˈ θ aɪ m i ə / dihs-THIY-mee-uh), also known as persistent depressive disorder (PDD), [3] is a mental and behavioral disorder, [5] specifically a disorder primarily of mood, consisting of similar cognitive and physical problems as major depressive disorder, but with longer-lasting symptoms.
[5] [6] Most investigators, especially those in the German-speaking countries, assumed masked depression (German: die larvierte Depression [7]) to be endogenous depression. [8] The term was largely used in the 1970s and 1980s, but at the end of the 20th century there was a decline in interest in the study of masked depression.
Risk factors for adolescent depression include a family history of depression, a personal history of trauma, family conflict, minority sexual orientation, or having a chronic medical illness. [20] There tends to be higher prevalence rates and more severe symptoms in adolescent girls when compared to adolescent boys.
Major depression is more common in medically ill patients who are older than 70 years and hospitalized or institutionalized. Severe or chronic diseases associated with high rates of depression include stroke (30–60%), coronary heart disease (8–44%), cancer (1–40%), Parkinson's disease (40%), Alzheimer's disease (20–40%), and dementia ...