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Record identifier : 568216
Personal Name - Primary Intelectual Responsibility : Leong, Yung-Mei
Title and statement of responsibility : Personality in obsessive compulsive disorder and other proposed obsessive compulsive spectrum disorders using the Five-Factor Model [Thesis]
Publication, Distribution,Etc. : The Catholic University of America, 2003
Language of the Item : eng
Dissertation of thesis details and type of degree : Ph.D.
Body granting the degree : , The Catholic University of America
Summary or Abstract : The concept of an obsessive-compulsive spectrum (OCS) emerged from research suggesting strong associations between obsessive-compulsive disorder (OCD) and a number of other illnesses. This study attempted to identify the factors underlying the OCS by using the five-factor model of personality (FFM) and affective dimensions. The Revised NEO Personality Inventory (Costa & McCrae, 1992) and the Positive Affect Negative Affect Scale (Watson, Clark, & Tellegen, 1988) were administered to 40 adults with a lifetime diagnosis of OCD, 42 with anorexia nervosa (AN), 39 with bulimia nervosa (BN), 42 healthy controls (HC). Additionally, the study included 37 psychiatric controls (PC) with lifetime diagnoses of major depression and without OCD, AN, or BN. Results did not support the existence of a distinct OCS profile on the FFM. Mean Neuroticism scores of the OCD, AN, BN, and PC groups significantly exceeded that of HCs. After controlling for current level of depression, the OCD and PC groups no longer significantly exceeded HCs on Neuroticism; at the Neuroticism facet level for the OCD and PC groups, only Depression for the PCs and Anxiety for the OCD group remained significantly higher than the respective scores of the HCs. Although the OCD, AN, and BN groups significantly exceeded HCs on the Anxiety facet, including anxiety disorder psychiatric controls would likely show that elevated anxiety is not exclusive to OC spectrum disorders. Additionally, the BN group significantly exceeded PCs on Impulsiveness before, but not after, controlling for current depression, suggesting that Impulsiveness is especially sensitive to changes in depression for BN. The mean Negative Affect (NA) score of recovered eating disorder (ED) participants resembled that of participants currently meeting ED criteria, and both means significantly exceeded that of HCs, suggesting that NA remains clinically elevated even after ED symptoms are resolved. This study, the first to directly compare OCD to proposed OCS disorders on the FFM, suggested that the FFM may not adequately capture the OCS, and highlighted the role of dysphoria in the relationships between other psychiatric symptoms and personality. Examining the FFM in other OCS disorders and including anxiety disorder controls will be crucial to clarifying these issues..
Topical Name Used as Subject : Psychotherapy, Personality
Information of biblio record : TL
 
 
 
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