published_or_final_version / abstract / toc / Clinical Psychology / Master / Master of Social Sciences

Recent studies have indicated stronger mood dependent memory (MDM) effects when subjects generate both the to-be-remembered events and the cues used in their retrieval, and when subjects who experience similar moods are compared to subjects who report a change in both pleasure and arousal, rather than others who report a change in pleasure alone. The first study was undertaken to experimentally evaluate the relationship between mood change and memory performance. Specifically, four mood manipulations were developed to compare memory performance in subjects assigned to no mood change, change in pleasure, change in arousal, or change in both pleasure and arousal. Subjects generated autobiographical events in response to neutral nouns, and were tested for free recall and recognition of these events two days later. Results demonstrated greater memory disruption after change in both pleasure and arousal than after change in pleasure alone. However, one-dimensional change in arousal led to as much memory disruption as did change in both dimensions. Separate ANOVAs compared each mood in combination with each other mood and indicated that MDM was more strongly supported in some combinations than others. Further, the pattern in free recall was different from the pattern in recognition indicating that MDM effects may vary interactively across moods and tasks. The second study was undertaken to validate prior research by employing subjects who experience large, but naturally occurring, changes in mood. Patients with rapid-cycling Bipolar Disorder performed a variety of tasks during study sessions and were tested for implicit and explicit memory during test sessions. Significant MDM effects were supported in free recall of autobiographical events and inkblot recognition, but not in implicit category production of autobiographical event probes, picture fragment completion, explicit nor implicit memory for letter associates. Results validate MDM as a real world phenomenon that impacts on explicit memory performance in subjects whose moods are not manipulated. Discussion centers on prospects for future studies that consider a wider range of manipulated moods and tasks, theories of emotion, and other clinical groups in the investigation of MDM.

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Thesis (M.Ost.)--Unitec New Zealand, 2008. / Includes bibliographical references (leaves 77-86).

Thesis (Ph. D.)--University of North Texas, August, 2008. / Title from title page display. Includes bibliographical references.

Thesis (Ph. D.)--Ohio State University, 2005. / Title from first page of PDF file. Document formatted into pages; contains x, 118 p. Includes bibliographical references (p. 83-89). Available online via OhioLINK's ETD Center

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Thesis (M.S.)--University of Wisconsin--La Crosse, 2002. / Includes bibliographical references.

Thesis (M.A.)--University of North Carolina at Wilmington, 2007. / Includes bibliographical references (leaves: 46-52)