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- W1500108889 abstract "AbstractThis thesis aimed to examine the impact of emotion suppression of negative materialon subsequent reactivity to positive material with a group of MDD participants andhealthy controls. A mixed design laboratory based experiment was used, where in thefirst condition participants firstly “just viewed” a sad film clip, and in the secondcondition they suppressed their emotions to a different sad film clip. Before and aftereach of the film clips, positive self referent and non self referent material waspresented. Based on findings from Dunn et al. (2009), Liverant et al. (2008), andKashdan and Breen (2008) it was suggested that the suppression of negativeemotional experience would down-regulate negative affect, but with the consequenceof reducing reactivity to subsequently presented material, including positive.The underlying rationale was that alterations in emotion regulation, andspecifically, emotion suppression, may be a contributory factor in the processingdisturbances, which occur in MDD, particularly anhedonia. These ideas overlap withcurrent clinical thinking, where interventions such as Acceptance and CommitmentTherapy (ACT), Dialectical Behaviour Therapy (DBT) and Mindfulness BasedCognitive Behavioural Therapy (MCBT) have begun to target both emotionregulation difficulties, and explore the role of acceptance of emotional experience, asopposed to emotion suppression.The results showed that there were no changes in reactivity to positive nonselfreferent material as a function of emotion regulation type. However, the resultsfrom the positive self referent material, showed that emotion suppression to negativematerial influenced subsequent reactivity to it. For the control group, the resultsreplicated the findings from the Dunn et al. (2009) study. Namely, a consequence ofemotion suppression was the dampening of positive reactivity to positive self referentmaterial following suppression of emotions to a negative film clip. However, for theMDD group, the opposite pattern was obtained, participants had a greater reduction inpositive reactivity following the view condition, compared to the suppress condition.This effect occurred despite higher suppression effort reported following the suppresscondition.With regard to emotion reactivity more generally, across both conditions,there was significantly higher ratings of sadness to the positive memories in the MDDgroup compared to the control group, there were also significantly lower ratings ofhappiness to the positive images in the MDD group relative to the control group. Withregard to the negative videos, there was no evidence of elevated sadness from theMDD in response to the negative videos; however the MDD group did reportsignificantly lower happiness ratings following the sad videos. These findings offeredsupport for both the positive attenuation view, and partially for the ECI hypothesis.A number of interpretations of the data have been offered, with regard to thedifferences between the control and MDD group on the effects of suppression. Inparticular, the idea of “ego depletion” as a result of the suppress condition, withsubsequent implications for reactivity related to self control. Executive functionprocesses were implicated as generic processing factors, which are implicated both inemotion regulation and in self control and self regulation.The clinical implications from these results focused on the role of flexibilityand of habitual suppression in emotional experience. Finally, future research areaswere suggested, including examining the role of executive function load in a preciseway, and looking at the time course of emotional reactivity following specific types ofregulation." @default.
- W1500108889 created "2016-06-24" @default.
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- W1500108889 date "2011-07-01" @default.
- W1500108889 modified "2023-09-23" @default.
- W1500108889 title "Emotion suppression and its impact on positive emotion experience" @default.
- W1500108889 hasPublicationYear "2011" @default.
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