This work may not be copied, distributed, displayed, published, reproduced, transmitted, modified, posted, sold, licensed, or used for commercial purposes. By downloading this file, you are agreeing to the publisher’s Terms & Conditions.

Letters to the Editor

The Continuum Hypothesis of Mood Disorders

Article Abstract

Because this piece has no abstract, we have provided for your benefit the first 3 sentences of the full text.

Sir: The recent (November 2007) article by Laursen et al. tested the continuum between mood and psychotic disorders.The authors state that, using "selected risk factors" (i.e., somefamily, environmental, and birth variables), "differences betweenthe phenotypes were quantitative rather than qualitative" but that differences between genders and between"age-specific incidences" favored instead the Kraepeliniandichotomy (between "manic-depressive insanity," includingmost DSM-IV-TR mood disorders, and "dementia praecox," includingseveral DSM-IV-TR psychotic disorders). The variableschosen are questionable. Among classic diagnostic validators, age at onset, boundaries between syndromes (i.e., bimodaldistribution of distinguishing features), course, psychometric(multivariate) analyses, and, most of all, psychiatric familyhistory (in this case, of bipolar, unipolar, psychotic disorders)figure prominently.’ ‹


Some JCP and PCC articles are available in PDF format only. Please click the PDF link at the top of this page to access the full text.

Related Articles

Volume: 69

Quick Links: Bipolar Disorder , Mood Disorders