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According to the DSM-5 there are 3 major categories of bipolar disorder: Bipolar I, Bipolar II, and Bipolar Not Otherwise Specified (NOS). [ 1 ] [ 2 ] Just as in adults, bipolar I is the most severe form of PBD in children and adolescents, and can impair sleep, general function, and lead to hospitalization. [ 2 ]
The global prevalence of bipolar disorder is estimated to be between 1–5% of the world's population. [11] While the causes of this mood disorder are not clearly understood, both genetic and environmental factors are thought to play a role. [4] Genetic factors may account for up to 70–90% of the risk of developing bipolar disorder.
BD-NOS is a mood disorder and one of four subtypes on the bipolar spectrum, which also includes bipolar I disorder, bipolar II disorder, and cyclothymia. [1] BD-NOS was a classification in the DSM-IV and has since been changed to Bipolar "Other Specified" and "Unspecified" in the 2013 released DSM-5 (American Psychiatric Association, 2013).
Bipolar disorders fall in between depressive disorders and schizophrenia spectrum and related disorders "in recognition of their place as a bridge between the two diagnostic classes in terms of symptomatology, family history and genetics" (Ref. 1, p 123). [43] Bipolar disorders underwent a few changes in the DSM-5, most notably the addition of ...
Bipolar disorder, previously known as manic depression, is a mental disorder that causes periods of depression and periods of abnormally elevated mood. The altered mood is significant and is known as mania or hypomania , depending on its severity, or whether symptoms of psychosis are present.
The DSM-5 and ICD-11 recognise bipolar disorder as a spectrum with three specific subtypes: bipolar I disorder, bipolar II disorder and cyclothymic disorder. The lifetime prevalence of BD is approximately 1% in the general population, [ 4 ] but rises to 4% when given the broader definition of bipolar spectrum disorder.
Bipolar II disorder, a bipolar spectrum disorder characterized by at least one episode of hypomania and at least one episode of major depression; Bipolar disorder not otherwise specified, a diagnosis for bipolar disorder when it does not fall within the other established sub-types; Bipolar neuron, a type of neuron which has two extensions
Schizophrenia is a primary psychotic disorder, whereas, bipolar disorder is a primary mood disorder which can also involve psychosis. Both schizophrenia and bipolar disorder are characterized as critical psychiatric disorders in the Diagnostic and Statistical Manual of Mental Disorders fifth edition (DSM-5). [1]