Article
Evidence for a heritable unidimensional symptom factor underlying obsessionality.
American journal of medical genetics. Part B, Neuropsychiatric genetics : the official publication of the International Society of Psychiatric Genetics - 5 Sept 2008
Mathews Carol A, Greenwood Tiffany, Wessel Jennifer, Azzam Amin, Garrido Helena, Chavira Denise A, Chandavarkar Uma, Bagnarello Monica, Stein Murray, Schork Nicholas J
Abstract excerpt
The division of obsessive-compulsive symptoms (OCS) into specific factors is now widely accepted. However, the utility of these categories for genetic studies remains unclear, as studies examining their heritability have been inconsistent. Less attention has been paid to the possibility that clinically significant obsessionality is primarily determined by a "core" group of OCS that crosses the boundaries between...
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