ISSN 2043-8087
Journal of Experimental Psychopathology
 Volume 3, Issue 1, 69-83, 2012
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Dysphoric Mood, Thought Suppression and Cognitive Control in Recovered Depressed and Never-Depressed Individuals

Authors
A.J. Willem Van der Does (a,b), Leonie Manthey (a,b) and Kelly Hermans (a)
(a) Institute of Psychology, Leiden University. The Netherlands
(b) Department of Psychiatry, Leiden University Medical Center. The Netherlands

Volume 3, Issue 1, 2012, Pages 69-83
DOI: http://dx.doi.org/10.5127/jep.020711

Abstract
Research has shown that sad mood inductions (SMIs) have effects on cognition in depression-vulnerable samples (e.g., recovered depressed patients), but not in never-depressed individuals. A recent study however, found that an SMI followed by a brief period of suppressing negative thoughts affects subsequent information processing in never-depressed individuals, even while the sad mood had already dissipated. We investigated the relevance of this finding for depression, and also whether this effect would be robust against minor procedural variations.

32 recovered depressed and 32 never-depressed individuals underwent an SMI followed by a writing task during which either instructions to suppress negative thoughts or no instructions were given. Finally, participants completed a scrambled sentences task (SST).

Table of Contents
Introduction
Method
 Participants
  Instruments
  Psychiatric diagnoses.
  Severity of depression.
  Mood states.
  Cognitive reactivity.
  Thought suppression.
  Interpretation Bias and Cognitive control.
 Experimental manipulations
  Sad Mood Induction.
  Thought suppression.
 Procedure
Results
 Data Screening
 Participants
 Manipulation checks
  Effects of the Sad Mood Induction.
  Effect of Thought Suppression Instructions during Writing Task.
 Performance on the Scrambled Sentences Task
Discussion
 Sample characteristic and manipulation checks
 Effects of SMI and TS instructions on interpretation bias and cognitive control
 Implications for the Ironic Process Theory
References

Correspondence to
A.J.W. Van der Does, PhD, Institute of Psychology, Leiden University, Wassenaarseweg 52, 2333 AK Leiden, The Netherlands.

Keywords
Depression; interpretation bias; cognitive control; cognitive reactivity; thought suppression; ironic processing theory

Dates
Received 16 Jul 2010; Revised 1 Jul 2011; Accepted 4 Jul 2011; In Press 5 Feb 2012







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