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Psychological Effec...
Psychological Effect of an Analogue Traumatic Event Reduced by Sleep Deprivation
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- Porcheret, Kate (author)
- Univ Oxford, Nuffield Dept Clin Neurosci, Oxford, England
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- Holmes, Emily A. (author)
- Karolinska Institutet
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- Goodwin, Guy M. (author)
- Univ Oxford, Dept Psychiat, Oxford, England
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- Foster, Russell G. (author)
- Univ Oxford, Nuffield Dept Clin Neurosci, Oxford, England
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- Wulff, Katharina (author)
- Univ Oxford, Nuffield Dept Clin Neurosci, Oxford, England
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(creator_code:org_t)
- 2015-07-01
- 2015
- English.
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In: Sleep. - : OXFORD UNIV PRESS INC. - 0161-8105 .- 1550-9109. ; 38:7, s. 1017-1025
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Abstract
Subject headings
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- Study Objective: To examine the effect of sleep deprivation compared to sleep, immediately after experimental trauma stimuli on the development of intrusive memories to that trauma stimuli. Design: Participants were exposed to a film with traumatic content (trauma film). The immediate response to the trauma film was assessed, followed by either total sleep deprivation (sleep deprived group, N = 20) or sleep as usual (sleep group, N = 22). Twelve hours after the film viewing the initial psychological effect of the trauma film was measured and for the subsequent 6 days intrusive emotional memories related to the trauma film were recorded in daily life. Setting: Academic sleep laboratory and participants' home environment. Participants: Healthy paid volunteers. Measurements and results: On the first day after the trauma film, the psychological effect as assessed by the Impact of Event Scale - Revised was lower in the sleep deprived group compared to the sleep group. In addition, the sleep deprived group reported fewer intrusive emotional memories (mean 2.28, standard deviation [SD] 2.91) compared to the sleep group (mean 3.76, SD 3.35). Because habitual sleep/circadian patterns, psychological health, and immediate effect of the trauma film were similar at baseline for participants of both groups, the results cannot be accounted for by pre-existing inequalities between groups. Conclusions: Our findings suggest that sleep deprivation on one night, rather than sleeping, reduces emotional effect and intrusive memories following exposure to experimental trauma.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Neurovetenskaper (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Neurosciences (hsv//eng)
Keyword
- analogue trauma
- emotional memory
- intrusive memory
- posttraumatic stress disorder
- sleep deprivation
Publication and Content Type
- ref (subject category)
- art (subject category)
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