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Peritraumatic dissociation revisited: associations with autonomic activation, facial movements, staring, and intrusion formation
Danböck, Sarah K.
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Rattel, Julina
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Franke, Laila K.
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Liedlgruber, Michael
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Miedl, Stephan Franz
;
Wilhelm, Frank H.
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Peritraumatic dissociation revisited associations with autonomic activation facial movements staring and intrusion formation.pdf
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DOI:
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https://doi.org/10.1080/20008198.2021.1991609
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URL:
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https://www.tandfonline.com/doi/full/10.1080/20008...
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Additional URL:
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https://www.researchgate.net/publication/356395232...
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URN:
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urn:nbn:de:bsz:180-madoc-652422
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Document Type:
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Article
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Year of publication:
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2021
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The title of a journal, publication series:
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European Journal of Psychotraumatology : EJPT
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Volume:
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12
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Issue number:
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1, Article 1991609
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Page range:
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1-12
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Place of publication:
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Abingdon
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Publishing house:
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Taylor & Francis
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ISSN:
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2000-8198 , 2000-8066
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Publication language:
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English
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Institution:
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School of Social Sciences > Klinische u. Biologische Psychologie u. Psychotherapie (Alpers 2010-)
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Pre-existing license:
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 Creative Commons Attribution, Non-Commercial 4.0 International (CC BY-NC 4.0)
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Subject:
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150 Psychology
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Keywords (English):
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trauma , dissociation , psychophysiology , eye-tracking , intrusive memories , posttraumatic stress disorder , trauma-film , stressful film
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Abstract:
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Background: Peritraumatic dissociation is purported to emerge together with attenuated autonomic arousal, immobility, and staring. However, empirical evidence is scarce and heterogeneous. Moreover, it is still a matter of debate whether these responses predict intrusion formation.
Objective: The present trauma-analogue study examined associations between peritraumatic dissociation, autonomic activation, facial movements, staring, and intrusion formation.
Method: Seventy-one healthy women watched a highly aversive film, while autonomic activation (heart rate, respiratory sinus arrhythmia, skin conductance level), facial movements (temporal variations in corrugator electromyography), and staring (fixation duration, tracklength) were assessed. Afterwards, participants rated the intensity of dissociation during film viewing and reported intrusions and associated distress in a smartphone application for 24 hours.
Results: Peritraumatic dissociation was linked to higher autonomic arousal (higher heart rate and, on a trend-level, lower respiratory sinus arrhythmia), increased facial movements, and staring (lower tracklength). Peritraumatic dissociation, higher autonomic arousal (higher heart rate and lower respiratory sinus arrhythmia), staring (higher fixation duration), and, on a trend-level, more facial movements were linked to higher intrusion load (number x distress of intrusions) and together explained 59% of variance. Skin conductance level was neither linked to peritraumatic dissociation nor intrusion load.
Conclusions: Our results suggest that, at low-dissociation-levels observed in trauma-analogue studies, peritraumatic dissociation may occur together with heightened autonomic arousal and facial movements, indexing increased negative affect. Staring might, irrespectively of dissociation-levels, serve as objective marker for dissociation. Together, peritraumatic dissociation and its psychophysiological correlates might set the stage for later intrusion formation.
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Translation of the title:
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Revisión de la disociación peritraumática: asociaciones con la activación autonómica, los movimientos faciales, la mirada fija y la formación de intrusiones
(Spanish)
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 | Das Dokument wird vom Publikationsserver der Universitätsbibliothek Mannheim bereitgestellt. |
 | Dieser Datensatz wurde nicht während einer Tätigkeit an der Universität Mannheim veröffentlicht, dies ist eine Externe Publikation. |
 Search Authors in
BASE:
Danböck, Sarah K.
;
Rattel, Julina
;
Franke, Laila K.
;
Liedlgruber, Michael
;
Miedl, Stephan Franz
;
Wilhelm, Frank H.
Google Scholar:
Danböck, Sarah K.
;
Rattel, Julina
;
Franke, Laila K.
;
Liedlgruber, Michael
;
Miedl, Stephan Franz
;
Wilhelm, Frank H.
ORCID:
Danböck, Sarah K.  ORCID: https://orcid.org/0000-0001-9989-1146, Rattel, Julina, Franke, Laila K., Liedlgruber, Michael, Miedl, Stephan Franz and Wilhelm, Frank H.
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