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Minor depressive disorder, also known as minor depression, is a mood disorder that does not meet the full criteria for major depressive disorder but at least two depressive symptoms are present for a long time. These symptoms can be seen in many different psychiatric and mental disorders, which can lead to more specific diagnoses of an ...
Mood disorders fall into seven groups, [2] including; abnormally elevated mood, such as mania or hypomania; depressed mood, of which the best-known and most researched is major depressive disorder (MDD) (alternatively known as clinical depression, unipolar depression, or major depression); and moods which cycle between mania and depression ...
The following diagnostic systems and rating scales are used in psychiatry and clinical psychology. This list is by no means exhaustive or complete. This list is by no means exhaustive or complete. For instance, in the category of depression, there are over two dozen depression rating scales that have been developed in the past eighty years.
The UK National Institute for Health & Clinical Excellence has specified the following "levels of depression" based on the 17-item HRSD. It previously used the terms in parentheses, which are those of the American Psychiatric Association. [18] Not depressed: 0–7; Mild (subthreshold): 8–13; Moderate (mild): 14–18; Severe (moderate): 19–22
When using the scale to diagnose depression according to ICD-10, there are the following possibilities: Mild depression: A score of 4 or 5 in two of the first three items. Plus a score of at least 3 on two or three of the last seven items. Moderate depression: A score of 4 or 5 in two or three of the first three items. Plus a score of at least ...
The DSM-IV characterizes a mental disorder as "a clinically significant behavioral or psychological syndrome or pattern that occurs in an individual and that is associated with present distress or disability or with a significant increased risk of suffering death, pain, disability, or an important loss of freedom". [69]
The definition and classification of mental disorders are key issues for researchers as well as service providers and those who may be diagnosed. For a mental state to be classified as a disorder, it generally needs to cause dysfunction. [15] Most international clinical documents use the term mental "disorder", while "illness" is also common.
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.