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Running head: ATTENTION AND DEPRESSION i DEFICITS IN SELECTIVE ATTENTION AND BIASES IN VALENCED INFORMATION PROCESSING IN DEPRESSION by Kean Jia Jiann Hsu ____________________________________________________________________ A Dissertation Presented to the FACULTY OF THE USC GRADUATE SCHOOL UNIVERSITY OF SOUTHERN CALIFORNIA In Partial Fulfillment of the Requirements for the Degree DOCTOR OF PHILOSOPHY (PSYCHOLOGY) May 2014 Copyright 2014 Kean Jia Jiann Hsu
|Title||Deficits in selective attention and biases in valenced information processing in depression|
|Author||Hsu, Kean Jia Jiann|
|Degree||Doctor of Philosophy|
|School||College of Letters, Arts and Sciences|
|Advisor (committee chair)||Davison, Gerald C.|
|Advisor (committee member)||
Prescott, Carol A.
John, Richard S.
Brekke, John S.
Hellige, Joseph B.
|Abstract||Attentional dysfunction is commonly found in depressed individuals in the form of impairment on measures of selective attention as well as attentional biases for negative information. Despite overlapping theory, methodology, and neuroanatomy, few studies have included both constructs in the context of the same study, much less considered their overlap. This study utilized multiple measures of selective attention and valenced information processing to characterize aspects of attention in 91 individuals who were either currently depressed, formerly depressed, or never‐depressed (according to diagnostic interview). Depression status was associated with decreased performance on selective attention and stronger attention biases for valenced information (both positive and negative). Selective attention was also found to mediate the relationship between group status and valenced information processing, but only in currently depressed individuals. Our findings highlight the overlap between selective attention and attention biases and suggest a number of future directions for research, as well as implications for a promising intervention for depression, attention bias modification.|
|Keyword||selective attention; attention bias; major depression; cognitive impairment; depression severity|
|Part of collection||University of Southern California dissertations and theses|
|Publisher (of the original version)||University of Southern California|
|Place of publication (of the original version)||Los Angeles, California|
|Publisher (of the digital version)||University of Southern California. Libraries|
|Provenance||Electronically uploaded by the author|
|Legacy record ID||usctheses-m|
|Contributing entity||University of Southern California|
|Rights||Hsu, Kean Jia Jiann|
|Access conditions||The author retains rights to his/her dissertation, thesis or other graduate work according to U.S. copyright law. Electronic access is being provided by the USC Libraries in agreement with the author, as the original true and official version of the work, but does not grant the reader permission to use the work if the desired use is covered by copyright. It is the author, as rights holder, who must provide use permission if such use is covered by copyright. The original signature page accompanying the original submission of the work to the USC Libraries is retained by the USC Libraries and a copy of it may be obtained by authorized requesters contacting the repository e-mail address given.|
|Repository name||University of Southern California Digital Library|
|Repository address||USC Digital Library, University of Southern California, University Park Campus MC 7002, 106 University Village, Los Angeles, California 90089-7002, USA|
|Full text||Running head: ATTENTION AND DEPRESSION i DEFICITS IN SELECTIVE ATTENTION AND BIASES IN VALENCED INFORMATION PROCESSING IN DEPRESSION by Kean Jia Jiann Hsu ____________________________________________________________________ A Dissertation Presented to the FACULTY OF THE USC GRADUATE SCHOOL UNIVERSITY OF SOUTHERN CALIFORNIA In Partial Fulfillment of the Requirements for the Degree DOCTOR OF PHILOSOPHY (PSYCHOLOGY) May 2014 Copyright 2014 Kean Jia Jiann Hsu|