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    UW-Madison
    University of Wisconsin-Madison

    Cognitive vulnerability and frontal brain asymmetry: common predictors of first prospective depressive episode.

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    The hopelessness theory of depression proposes that individuals with a depressogenic cognitive style are more likely to become hopeless and experience depression following negative life events. Although the neurophysiological underpinnings of cognitive style remain speculative, research indicates that decreased relative left frontal brain electrical activity holds promise as a traitlike marker of depression. This begs the question: Do measures of depressogenic cognitive style and resting frontal brain asymmetry index a common vulnerability? The present study provides preliminary support for this hypothesis. At baseline assessment, increased cognitive vulnerability to depression was associated with decreased relative left frontal brain activity at rest in individuals with no prior history of, or current, depression. Following baseline assessment, participants were followed prospectively an average of 3 years with structured diagnostic interviews at 4-month intervals. Both cognitive vulnerability and asymmetric frontal cortical activity prospectively predicted onset of first depressive episode in separate univariate analyses. Furthermore, multivariate analyses indicated that cognitive vulnerability and frontal asymmetry represented shared, rather than independent, predictors of first depression onset.

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    Description

    Title : Cognitive vulnerability and frontal brain asymmetry: common predictors of first prospective depressive episode.
    Author(s) : Robin Nusslock, Alexander J Shackman, Eddie Harmon-Jones, Lauren B Alloy, James A Coan, Lyn Y Abramson
    Abstract : The hopelessness theory of depression proposes that individuals with a depressogenic cognitive style are more likely to become hopeless and experience depression following negative life events. Although the neurophysiological underpinnings of cognitive style remain speculative, research indicates that decreased relative left frontal brain electrical activity holds promise as a traitlike marker of depression. This begs the question: Do measures of depressogenic cognitive style and resting frontal brain asymmetry index a common vulnerability? The present study provides preliminary support for this hypothesis. At baseline assessment, increased cognitive vulnerability to depression was associated with decreased relative left frontal brain activity at rest in individuals with no prior history of, or current, depression. Following baseline assessment, participants were followed prospectively an average of 3 years with structured diagnostic interviews at 4-month intervals. Both cognitive vulnerability and asymmetric frontal cortical activity prospectively predicted onset of first depressive episode in separate univariate analyses. Furthermore, multivariate analyses indicated that cognitive vulnerability and frontal asymmetry represented shared, rather than independent, predictors of first depression onset.
    Keywords : 10, 1037, a0022940, cognitive vulnerability, depression, doi, dx, frontal eeg, http, investigators have addressed, org, over past 30, question, supp, supplemental materials, vulnerable, what leads some individuals, years

    Subject : unspecified
    Area : Other
    Language : English
    Year : 2011

    Affiliations UW-Madison
    Journal : Journal of Abnormal Psychology
    Volume : 120
    Issue : 2
    Publisher : American Psychological Association
    Pages : 497-503
    Url : http://www.ncbi.nlm.nih.gov/pubmed/21381804

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