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Schizophrenia Bulletin Advance Access originally published online on February 21, 2006
Schizophrenia Bulletin 2006 32(2):246-249; doi:10.1093/schbul/sbj054
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© The Author 2006. Published by Oxford University Press on behalf of the Maryland Psychiatric Research Center. All rights reserved. For permissions, please email: journals.permissions@oxfordjournals.org.

Subdomains Within the Negative Symptoms of Schizophrenia: Commentary

Brian Kirkpatrick1,2 and Bernard Fischer3
2 Department of Psychiatry and Health Behavior, Medical College of Georgia
3 Department of Psychiatry, University of Maryland

Keywords: blunted affect / poverty of speech / negative symptoms / rating scales / psychometrics

The first 10% of the full text of this article appears below.

In an accompanying article in this theme issue, Blanchard and Cohen review the evidence on the relationships among negative symptoms and conclude that meaningful subdomains within negative symptoms may exist.1 Specifically, they suggest that blunted affect and poverty of speech may form one such subdomain, and anhedonia, asociality, and avolition may form another. The authors are appropriately cautious in raising this possibility, and they suggest further studies would be needed before it is confirmed.

Should the independence of these 2 factors be confirmed, it would have implications for research on negative symptoms. At the Consensus Development Conference on Negative Symptoms, sponsored by the National Institute of Mental Health and held in Rockville, Maryland, on January . . . [Full Text of this Article]


   Blunted Affect
 

   Data at the Item Level
 

   Future Research
 

   Conclusion
 
1To whom correspondence should be addressed; e-mail: bkirkpatrick2@aol.com.


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