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Dysthymia ( / dɪsˈθaɪmiə / 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. [ 3][ 6][ 7] The concept was ...
The DSM-IV defines depressive personality disorder as "a pervasive pattern of depressive cognitions and behaviors beginning by early adulthood and occurring in a variety of contexts." Depressive personality disorder occurs independently of major depressive episodes, making it a distinct diagnosis not included in the definition of either major ...
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).
Cyclothymia (/ ˌ s aɪ k l ə ˈ θ aɪ m i ə /, siy-kluh-THIY-mee-uh), also known as cyclothymic disorder, psychothemia / psychothymia, [5] bipolar III, [6] affective personality disorder [7] and cyclothymic personality disorder, [8] is a mental and behavioural disorder [9] that involves numerous periods of symptoms of depression and periods of symptoms of elevated mood. [3]
Dysthymic disorder was a subsection in the DSM-IV-TR under mood disorders. In the DSM-5, dysthymia is relabeled as "Persistent Depressive Disorder (Dysthymia)". There are differences between persistent depressive disorder and minor depressive disorder including: length of symptom presence, the number of symptoms present, and recurrent periods. [3]
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 ...
Double depression. Double depression refers to the co-existence of major depressive disorder (MDD) and persistent depressive disorder (PDD), the latter previously referred to as dysthymia. Research has shown that double depression tends to be more severe than either MDD or PDD alone and that individuals with double depression experience relapse ...
Atypical depression is defined in the DSM -IV as depression that shares many of the typical symptoms of major depressive disorder or dysthymia but is characterized by improved mood in response to positive events. In contrast to those with atypical depression, people with melancholic depression generally do not experience an improved mood in ...