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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Assessing Updating of Affective Content as a Potential Endophenotypic Predictor of Depressive Symptoms

Jordan, Duncan Gage 08 December 2017 (has links)
Executive functioning (EF) deficits may be associated with depressed states, although limited research has examined components of EF as endophenotypes of depression. This study assessed whether affective updating predicted depressive symptoms in a sample pre-selected for varying levels of depression via the affective n-back. In this task, participants determine whether the valence of a stimulus matches the valence of the stimulus presented two stimuli prior. Results suggested affective updating ability did not significantly predict depressive symptoms approximately over time, although higher accuracy in updating negative information was associated with more depressive symptoms approximately twelve weeks later. Moreover, accuracy in updating positive and negative information did not differ between groups. However, a trend emerged for depressed participants to be more accurate in updating negative information in the face of interfering positive information, compared to updating positive information with interfering negative information. The latter results are considered within the reward devaluation framework.

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