On the diagnostic and neurobiological origins of bipolar disorder
Open Access
- 23 April 2020
- journal article
- review article
- Published by Springer Science and Business Media LLC in Translational Psychiatry
- Vol. 10 (1), 1-10
- https://doi.org/10.1038/s41398-020-0796-8
Abstract
Psychiatry is constructed around a taxonomy of several hundred diagnoses differentiated by nuances in the timing, co-occurrence, and severity of symptoms. Bipolar disorder (BD) is notable among these diagnoses for manic, depressive, and psychotic symptoms all being core features. Here, we trace current understanding of the neurobiological origins of BD and related diagnoses. To provide context, we begin by exploring the historical origins of psychiatric taxonomy. We then illustrate how key discoveries in pharmacology and neuroscience gave rise to a generation of neurobiological hypotheses about the origins of these disorders that facilitated therapeutic innovation but failed to explain disease pathogenesis. Lastly, we examine the extent to which genetics has succeeded in filling this void and contributing to the construction of an objective classification of psychiatric disturbance.Keywords
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