Universität zu Köln

Woud, Marcella L., Cwik, Jan C., Blackwell, Simon E., Kleim, Birgit, Holmes, Emily A., Adolph, Dirk, Zhang, Hui and Margraf, Juergen (2018). Does napping enhance the effects of Cognitive Bias Modification-Appraisal training? An experimental study. PLoS One, 13 (2). SAN FRANCISCO: PUBLIC LIBRARY SCIENCE. ISSN 1932-6203

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Abstract

Posttraumatic Stress Disorder (PTSD) is characterised by dysfunctional appraisals of the trauma and its consequences including one's own symptoms. Experimental studies have shown that Cognitive Bias Modification-Appraisal (CBM-App) training can reduce dysfunctional interpretations and analog trauma symptoms. One important question is how to enhance the effects of CBM-App. Following work suggesting that sleep has beneficial effects on consolidation processes and can thus improve learning, the present study investigated whether a brief period of sleep (i.e., a nap) enhances the effects of CBM-App. All participants watched a stressful movie as an analogue trauma induction. After that, participants received either positive or negative CBM-App training. Within each training, half of the participants then had a 90-minute nap or watched a neutral movie. Results showed that the CBM training induced training-congruent appraisals. Sleep did not enhance this effect. Participants who slept, however, experienced fewer intrusive memories of the analogue trauma, but this effect was independent of the CBM condition. These results provide valuable information about the effects of sleep during a 90-minute nap period on encoding of analogue trauma and emotional learning in the context of appraisal, and highlight the importance of sleep as a focus for continued research.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Woud, Marcella L. UNSPECIFIED UNSPECIFIED UNSPECIFIED Cwik, Jan C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Blackwell, Simon E. UNSPECIFIED UNSPECIFIED UNSPECIFIED Kleim, Birgit UNSPECIFIED UNSPECIFIED UNSPECIFIED Holmes, Emily A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Adolph, Dirk UNSPECIFIED UNSPECIFIED UNSPECIFIED Zhang, Hui UNSPECIFIED UNSPECIFIED UNSPECIFIED Margraf, Juergen UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-195932
DOI:	10.1371/journal.pone.0192837
Journal or Publication Title:	PLoS One
Volume:	13
Number:	2
Date:	2018
Publisher:	PUBLIC LIBRARY SCIENCE
Place of Publication:	SAN FRANCISCO
ISSN:	1932-6203
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language POSTTRAUMATIC-STRESS-DISORDER; SLOW-WAVE SLEEP; INTRUSIVE MEMORIES; TRAUMA; CONSOLIDATION; REAPPRAISAL; IMPACT; VULNERABILITY; ATTENTION; MODEL Multiple languages Multidisciplinary Sciences Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/19593