Chapter

Introduction to mood disorders

John R. Geddes

in New Oxford Textbook of Psychiatry

Second edition

Published on behalf of Oxford University Press

Published in print February 2012 | ISBN: 9780199696758
Published online October 2012 | e-ISBN: 9780191743221 | DOI: http://dx.doi.org/10.1093/med/9780199696758.003.0083
Introduction to mood disorders

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The concept of mood is difficult to define. In psychiatry, it has come to mean a pervasive emotional tone varying along an axis from happiness to sadness—and perhaps anxiety. The boundaries between normal and abnormal mood are equally difficult to define. Nonetheless, there is usually no doubt about the most extreme manifestations of low mood, depression, or elevated mood, mania. This chapter begins by discussing the early history and subsequent development of modern psychiatric nosology. It then covers the distinction between unipolar and bipolar disorders, modern diagnostic systems and the birth of diagnostic criteria, subgroups of unipolar and bipolar disorder, and likely future developments in the classification of mood disorders.

Chapter.  1851 words.  Illustrated.

Subjects: Psychiatry

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