Brain dysfunction behind functional symptoms: neuroimaging and somatoform, conversive, and dissociative disorders.

Abstract:

PURPOSE OF REVIEW:Neuroimaging research in psychiatry has been increasing exponentially in recent years, yet many psychiatrists are relatively unfamiliar with this field. This article summarizes the findings of the most relevant research articles on the neuroimaging of somatoform, conversive, and dissociative disorders published from January 2007 through June 2008. RECENT FINDINGS:Neuroimaging findings summarized here include alterations of stress regulation and coping in somatoform pain disorders, the importance of catastrophizing in somatization disorder, and the relevance of a history of physical/sexual abuse in irritable bowel syndrome. Regarding fibromyalgia, three of the most significant advances have been the impossibility of differentiating primary and concomitant fibromyalgia in the presence of quiescent underlying disease, the role of hippocampal dysfunction, and the possibility that fibromyalgia may be characterized as an aging process. In dissociative disorders, the high levels of elaborative memory encoding and the reduced size of the parietal lobe are highlighted. SUMMARY:The most promising clinical consequence of these studies, in addition to improving knowledge about the etiology of these illnesses, is the possibility of using neuroimaging findings to identify subgroups of patients, which could allow treatments to be tailored.

journal_name

Curr Opin Psychiatry

authors

García-Campayo J,Fayed N,Serrano-Blanco A,Roca M

doi

10.1097/YCO.0b013e3283252d43

subject

Has Abstract

pub_date

2009-03-01 00:00:00

pages

224-31

issue

2

eissn

0951-7367

issn

1473-6578

pii

00001504-200903000-00017

journal_volume

22

pub_type

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