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163 million (2017) [ 8] Major depressive disorder ( MDD ), also known as clinical depression, is a mental disorder [ 9] characterized by at least two weeks of pervasive low mood, low self-esteem, and loss of interest or pleasure in normally enjoyable activities. Introduced by a group of US clinicians in the mid-1970s, [ 10] the term was adopted ...
A major depressive episode ( MDE) is a period characterized by symptoms of major depressive disorder. Those affected primarily exhibit a depressive mood for at least two weeks or more, and a loss of interest or pleasure in everyday activities. Other symptoms can include feelings of emptiness, hopelessness, anxiety, worthlessness, guilt ...
Recurrent brief depression (RBD) defines a mental disorder characterized by intermittent depressive episodes, not related to menstrual cycles in women, occurring between approximately 6–12 times per year, over at least one year or more fulfilling the diagnostic criteria for major depressive episodes (DSM-IV and ICD-10) except for duration in which RBD is less than 14 days (typically 5–7 ...
Multiple sclerosis. Multiple sclerosis is a chronic demyelinating disease in which the myelin sheaths of cells in the brain and spinal cord are irreparably damaged. Symptoms of depression are very common in patients at all stages of the disease and may be exacerbated by medical treatments, notably interferon beta-1a.
A mood disorder, also known as an affective disorder, is any of a group of conditions of mental and behavioral disorder [ 2] where a disturbance in the person's mood is the main underlying feature. [ 3] The classification is in the Diagnostic and Statistical Manual of Mental Disorders (DSM) and International Classification of Diseases (ICD).
stimulants, antidepressants, antipsychotics. Disruptive mood dysregulation disorder ( DMDD) is a mental disorder in children and adolescents characterized by a persistently irritable or angry mood and frequent temper outbursts that are disproportionate to the situation and significantly more severe than the typical reaction of same-aged peers.
The Major Depression Inventory ( MDI) is a self-report mood questionnaire developed by the World Health Organization. The instrument was constructed by a team led by Professor Per Bech, a psychiatrist based at Frederiksborg General Hospital in Denmark. [1] The MDI differs from many other self-report inventories, such as the Beck Depression ...
Premenstrual dysphoric disorder ( PMDD) is a mood disorder characterized by emotional, cognitive, and physical symptoms. PMDD causes significant distress or impairment in menstruating women during the luteal phase of the menstrual cycle. The symptoms occur in the luteal phase (between ovulation and menstruation), improve within a few days after ...